157863918 has 16 divisors (see below), whose sum is σ = 316418256. Its totient is φ = 52506240.

The previous prime is 157863863. The next prime is 157863919. The reversal of 157863918 is 819368751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157863919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25771 + ... + 31302.

It is an arithmetic number, because the mean of its divisors is an integer number (19776141).

Almost surely, 2^157863918 is an apocalyptic number.

157863918 is an abundant number, since it is smaller than the sum of its proper divisors (158554338).

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

157863918 is a wasteful number, since it uses less digits than its factorization.

157863918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57539.

The product of its digits is 362880, while the sum is 48.

The square root of 157863918 is about 12564.3908726209. The cubic root of 157863918 is about 540.4567671628.

The spelling of 157863918 in words is "one hundred fifty-seven million, eight hundred sixty-three thousand, nine hundred eighteen".