66879154012160 has 120 divisors (see below), whose sum is σ = 183434368719840. Its totient is φ = 22929995464704.

The previous prime is 66879154012091. The next prime is 66879154012271. The reversal of 66879154012160 is 6121045197866.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 66879154012096 and 66879154012105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57740555 + ... + 58887434.

It is an arithmetic number, because the mean of its divisors is an integer number (1528619739332).

Almost surely, 2^{66879154012160} is an apocalyptic number.

It is an amenable number.

66879154012160 is an abundant number, since it is smaller than the sum of its proper divisors (116555214707680).

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

66879154012160 is an equidigital number, since it uses as much as digits as its factorization.

66879154012160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116628029 (or 116628003 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 66879154012160 in words is "sixty-six trillion, eight hundred seventy-nine billion, one hundred fifty-four million, twelve thousand, one hundred sixty".