1566722576160 has 768 divisors, whose sum is σ = 6466637721600. Its totient is φ = 346822041600.

The previous prime is 1566722576141. The next prime is 1566722576161. The reversal of 1566722576160 is 616752276651.

It is a happy number.

1566722576160 is a `hidden beast` number, since 1 + 5 + 6 + 6 + 7 + 2 + 2 + 576 + 1 + 60 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1566722576097 and 1566722576106.

It is not an unprimeable number, because it can be changed into a prime (1566722576161) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 172333215 + ... + 172342305.

It is an arithmetic number, because the mean of its divisors is an integer number (8420101200).

Almost surely, 2^{1566722576160} is an apocalyptic number.

1566722576160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1566722576160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3233318860800).

1566722576160 is an abundant number, since it is smaller than the sum of its proper divisors (4899915145440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1566722576160 is a wasteful number, since it uses less digits than its factorization.

1566722576160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302 (or 9288 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 1566722576160 in words is "one trillion, five hundred sixty-six billion, seven hundred twenty-two million, five hundred seventy-six thousand, one hundred sixty".