157163020 has 96 divisors (see below), whose sum is σ = 391910400. Its totient is φ = 51826944.

The previous prime is 157162903. The next prime is 157163029. The reversal of 157163020 is 20361751.

It is not an unprimeable number, because it can be changed into a prime (157163029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 437601 + ... + 437959.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^157163020 is an apocalyptic number.

157163020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157163020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195955200).

157163020 is an abundant number, since it is smaller than the sum of its proper divisors (234747380).

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

157163020 is a wasteful number, since it uses less digits than its factorization.

157163020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 157163020 is about 12536.4676045527. The cubic root of 157163020 is about 539.6557247709.

The spelling of 157163020 in words is "one hundred fifty-seven million, one hundred sixty-three thousand, twenty".