166453364160 has 336 divisors, whose sum is σ = 594961016832. Its totient is φ = 42667776000.

The previous prime is 166453364159. The next prime is 166453364179. The reversal of 166453364160 is 61463354661.

166453364160 is a `hidden beast` number, since 1 + 6 + 6 + 453 + 36 + 4 + 160 = 666.

It is a super-4 number, since 4×166453364160⁴ (a number of 46 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13475107 + ... + 13487453.

It is an arithmetic number, because the mean of its divisors is an integer number (1770717312).

Almost surely, 2^166453364160 is an apocalyptic number.

166453364160 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 166453364160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297480508416).

166453364160 is an abundant number, since it is smaller than the sum of its proper divisors (428507652672).

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

166453364160 is a wasteful number, since it uses less digits than its factorization.

166453364160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12552 (or 12539 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 166453364160 in words is "one hundred sixty-six billion, four hundred fifty-three million, three hundred sixty-four thousand, one hundred sixty".