156563740 has 12 divisors (see below), whose sum is σ = 328783896. Its totient is φ = 62625488.

The previous prime is 156563717. The next prime is 156563741. The reversal of 156563740 is 47365651.

156563740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 156563740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156563741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3914074 + ... + 3914113.

It is an arithmetic number, because the mean of its divisors is an integer number (27398658).

Almost surely, 2^156563740 is an apocalyptic number.

156563740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156563740 is an abundant number, since it is smaller than the sum of its proper divisors (172220156).

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

156563740 is a wasteful number, since it uses less digits than its factorization.

156563740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828196 (or 7828194 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 156563740 is about 12512.5433066184. The cubic root of 156563740 is about 538.9689287394.

The spelling of 156563740 in words is "one hundred fifty-six million, five hundred sixty-three thousand, seven hundred forty".