156796560 has 100 divisors (see below), whose sum is σ = 544600188. Its totient is φ = 41810688.

The previous prime is 156796553. The next prime is 156796561. The reversal of 156796560 is 65697651.

156796560 is a `hidden beast` number, since 15 + 6 + 79 + 6 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46294416 + 110502144 = 6804^2 + 10512^2 .

It is a super-2 number, since 2×156796560² = 49170322455667200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156796561) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5619 + ... + 18578.

Almost surely, 2^156796560 is an apocalyptic number.

156796560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156796560 is an abundant number, since it is smaller than the sum of its proper divisors (387803628).

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

156796560 is a wasteful number, since it uses less digits than its factorization.

156796560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24222 (or 24207 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 156796560 is about 12521.8433147840. The cubic root of 156796560 is about 539.2359565053.

The spelling of 156796560 in words is "one hundred fifty-six million, seven hundred ninety-six thousand, five hundred sixty".