157303660 has 48 divisors (see below), whose sum is σ = 351187200. Its totient is φ = 59016384.

The previous prime is 157303651. The next prime is 157303681. The reversal of 157303660 is 66303751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37131 + ... + 41149.

It is an arithmetic number, because the mean of its divisors is an integer number (7316400).

Almost surely, 2^157303660 is an apocalyptic number.

157303660 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 157303660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175593600).

157303660 is an abundant number, since it is smaller than the sum of its proper divisors (193883540).

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

157303660 is a wasteful number, since it uses less digits than its factorization.

157303660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 157303660 is about 12542.0755858032. The cubic root of 157303660 is about 539.8166501444.

Subtracting from 157303660 its reverse (66303751), we obtain a palindrome (90999909).

The spelling of 157303660 in words is "one hundred fifty-seven million, three hundred three thousand, six hundred sixty".