157162004978 has 32 divisors (see below), whose sum is σ = 266116959360. Its totient is φ = 68954556160.

The previous prime is 157162004963. The next prime is 157162004999. The reversal of 157162004978 is 879400261751.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370650 + ... + 2436042.

It is an arithmetic number, because the mean of its divisors is an integer number (8316154980).

Almost surely, 2^157162004978 is an apocalyptic number.

157162004978 is a deficient number, since it is larger than the sum of its proper divisors (108954954382).

157162004978 is a wasteful number, since it uses less digits than its factorization.

157162004978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69202.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 157162004978 in words is "one hundred fifty-seven billion, one hundred sixty-two million, four thousand, nine hundred seventy-eight".