78168856153032 has 108 divisors (see below), whose sum is σ = 212933228765985. Its totient is φ = 25906268295360.

The previous prime is 78168856153013. The next prime is 78168856153043. The reversal of 78168856153032 is 23035165886187.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

78168856153032 is a `hidden beast` number, since 7 + 8 + 1 + 6 + 8 + 8 + 5 + 61 + 530 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65385757133316 + 12783099019716 = 8086146^2 + 3575346^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6251754.

It is a super-2 number, since 2×78168856153032² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13428764682 + ... + 13428770502.

Almost surely, 2^{78168856153032} is an apocalyptic number.

78168856153032 is a gapful number since it is divisible by the number (72) 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 78168856153032

78168856153032 is an abundant number, since it is smaller than the sum of its proper divisors (134764372612953).

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

78168856153032 is an frugal number, since it uses more digits than its factorization.

78168856153032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012 (or 6005 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 78168856153032 in words is "seventy-eight trillion, one hundred sixty-eight billion, eight hundred fifty-six million, one hundred fifty-three thousand, thirty-two".