156626460 has 120 divisors (see below), whose sum is σ = 496409760. Its totient is φ = 41337216.

The previous prime is 156626417. The next prime is 156626473. The reversal of 156626460 is 64626651.

It is a happy number.

156626460 is a `hidden beast` number, since 1 + 5 + 6 + 6 + 2 + 646 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 176137 + ... + 177023.

It is an arithmetic number, because the mean of its divisors is an integer number (4136748).

Almost surely, 2^156626460 is an apocalyptic number.

156626460 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 156626460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248204880).

156626460 is an abundant number, since it is smaller than the sum of its proper divisors (339783300).

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

156626460 is a wasteful number, since it uses less digits than its factorization.

156626460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 156626460 is about 12515.0493406938. The cubic root of 156626460 is about 539.0408900978.

It can be divided in two parts, 15662 and 6460, that added together give a palindrome (22122).

The spelling of 156626460 in words is "one hundred fifty-six million, six hundred twenty-six thousand, four hundred sixty".