156260720 has 80 divisors (see below), whose sum is σ = 452971008. Its totient is φ = 48702720.

The previous prime is 156260707. The next prime is 156260723. The reversal of 156260720 is 27062651.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×156260720² = 48834825229836800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156260723) by changing a digit.

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, 6524 + ... + 18843.

Almost surely, 2^156260720 is an apocalyptic number.

156260720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156260720 is an abundant number, since it is smaller than the sum of its proper divisors (296710288).

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

156260720 is a wasteful number, since it uses less digits than its factorization.

156260720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25398 (or 25392 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 156260720 is about 12500.4287926455. The cubic root of 156260720 is about 538.6209898476.

The spelling of 156260720 in words is "one hundred fifty-six million, two hundred sixty thousand, seven hundred twenty".