157621805462 has 16 divisors (see below), whose sum is σ = 271501675200. Its totient is φ = 67875418440.

The previous prime is 157621805441. The next prime is 157621805479. The reversal of 157621805462 is 264508126751.

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, 188542412 + ... + 188543247.

It is an arithmetic number, because the mean of its divisors is an integer number (16968854700).

Almost surely, 2^157621805462 is an apocalyptic number.

157621805462 is a deficient number, since it is larger than the sum of its proper divisors (113879869738).

157621805462 is a wasteful number, since it uses less digits than its factorization.

157621805462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377085691.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 157621805462 in words is "one hundred fifty-seven billion, six hundred twenty-one million, eight hundred five thousand, four hundred sixty-two".