157699168954 has 16 divisors (see below), whose sum is σ = 246890284200. Its totient is φ = 75474979840.

The previous prime is 157699168927. The next prime is 157699168999. The reversal of 157699168954 is 459861996751.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 108917820729 + 48781348225 = 330027^2 + 220865^2 .

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, 18138679 + ... + 18147370.

Almost surely, 2^157699168954 is an apocalyptic number.

157699168954 is a deficient number, since it is larger than the sum of its proper divisors (89191115246).

157699168954 is a wasteful number, since it uses less digits than its factorization.

157699168954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36286145.

The product of its digits is 146966400, while the sum is 70.

The spelling of 157699168954 in words is "one hundred fifty-seven billion, six hundred ninety-nine million, one hundred sixty-eight thousand, nine hundred fifty-four".