156326560 has 96 divisors (see below), whose sum is σ = 421222032. Its totient is φ = 54312960.

The previous prime is 156326551. The next prime is 156326567. The reversal of 156326560 is 65623651.

It can be written as a sum of positive squares in 8 ways, for example, as 87834384 + 68492176 = 9372^2 + 8276^2 .

It is a super-2 number, since 2×156326560² = 48875986722867200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (156326567) 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, 33150 + ... + 37570.

Almost surely, 2^156326560 is an apocalyptic number.

156326560 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 156326560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210611016).

156326560 is an abundant number, since it is smaller than the sum of its proper divisors (264895472).

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

156326560 is a wasteful number, since it uses less digits than its factorization.

156326560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 156326560 is about 12503.0620249601. The cubic root of 156326560 is about 538.6966280212.

The spelling of 156326560 in words is "one hundred fifty-six million, three hundred twenty-six thousand, five hundred sixty".