157164770 has 32 divisors (see below), whose sum is σ = 340329600. Its totient is φ = 51048576.

The previous prime is 157164743. The next prime is 157164797. The reversal of 157164770 is 77461751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (157164743) and next prime (157164797).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57755 + ... + 60414.

It is an arithmetic number, because the mean of its divisors is an integer number (10635300).

Almost surely, 2^157164770 is an apocalyptic number.

157164770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157164770 is an abundant number, since it is smaller than the sum of its proper divisors (183164830).

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

157164770 is a wasteful number, since it uses less digits than its factorization.

157164770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118202.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 157164770 is about 12536.5374007339. The cubic root of 157164770 is about 539.6577277739.

The spelling of 157164770 in words is "one hundred fifty-seven million, one hundred sixty-four thousand, seven hundred seventy".