157261880 has 16 divisors (see below), whose sum is σ = 353839320. Its totient is φ = 62904736.

The previous prime is 157261861. The next prime is 157261891. The reversal of 157261880 is 88162751.

It is a super-2 number, since 2×157261880² = 49462597802268800, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1965734 + ... + 1965813.

Almost surely, 2^157261880 is an apocalyptic number.

157261880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157261880 is an abundant number, since it is smaller than the sum of its proper divisors (196577440).

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

157261880 is a wasteful number, since it uses less digits than its factorization.

157261880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931558 (or 3931554 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 157261880 is about 12540.4098816586. The cubic root of 157261880 is about 539.7688539760.

The spelling of 157261880 in words is "one hundred fifty-seven million, two hundred sixty-one thousand, eight hundred eighty".