157651618968474 has 16 divisors (see below), whose sum is σ = 315303372069312. Its totient is φ = 52550517300768.

The previous prime is 157651618968449. The next prime is 157651618968497. The reversal of 157651618968474 is 474869816156751.

157651618968474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157651618968474² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 157651618968474.

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, 16262547 + ... + 24078489.

It is an arithmetic number, because the mean of its divisors is an integer number (19706460754332).

Almost surely, 2^{157651618968474} is an apocalyptic number.

157651618968474 is an abundant number, since it is smaller than the sum of its proper divisors (157651753100838).

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

157651618968474 is a wasteful number, since it uses less digits than its factorization.

157651618968474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177701.

The product of its digits is 2438553600, while the sum is 78.

The spelling of 157651618968474 in words is "one hundred fifty-seven trillion, six hundred fifty-one billion, six hundred eighteen million, nine hundred sixty-eight thousand, four hundred seventy-four".