66075565526160 has 80 divisors (see below), whose sum is σ = 204854475242304. Its totient is φ = 17618411270656.

The previous prime is 66075565526149. The next prime is 66075565526167. The reversal of 66075565526160 is 6162556557066.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 66075565526094 and 66075565526103.

It is not an unprimeable number, because it can be changed into a prime (66075565526167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11153142 + ... + 16016981.

Almost surely, 2^{66075565526160} is an apocalyptic number.

66075565526160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66075565526160 is an abundant number, since it is smaller than the sum of its proper divisors (138778909716144).

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

66075565526160 is a wasteful number, since it uses less digits than its factorization.

66075565526160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27180272 (or 27180266 counting only the distinct ones).

The product of its (nonzero) digits is 68040000, while the sum is 60.

The spelling of 66075565526160 in words is "sixty-six trillion, seventy-five billion, five hundred sixty-five million, five hundred twenty-six thousand, one hundred sixty".