157657201926 has 32 divisors (see below), whose sum is σ = 361448049408. Its totient is φ = 44908823520.

The previous prime is 157657201879. The next prime is 157657201943. The reversal of 157657201926 is 629102756751.

157657201926 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656405 + ... + 5684208.

It is an arithmetic number, because the mean of its divisors is an integer number (11295251544).

Almost surely, 2^157657201926 is an apocalyptic number.

157657201926 is an abundant number, since it is smaller than the sum of its proper divisors (203790847482).

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

157657201926 is a wasteful number, since it uses less digits than its factorization.

157657201926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340956.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 157657201926 in words is "one hundred fifty-seven billion, six hundred fifty-seven million, two hundred one thousand, nine hundred twenty-six".