156536406 has 24 divisors (see below), whose sum is σ = 365252160. Its totient is φ = 48164976.

The previous prime is 156536363. The next prime is 156536407. The reversal of 156536406 is 604635651.

156536406 is a `hidden beast` number, since 1 + 5 + 6 + 5 + 3 + 640 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156536407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334246 + ... + 334713.

It is an arithmetic number, because the mean of its divisors is an integer number (15218840).

Almost surely, 2^156536406 is an apocalyptic number.

156536406 is an abundant number, since it is smaller than the sum of its proper divisors (208715754).

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

156536406 is a wasteful number, since it uses less digits than its factorization.

156536406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668980 (or 668977 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 156536406 is about 12511.4509949886. The cubic root of 156536406 is about 538.9375612505.

The spelling of 156536406 in words is "one hundred fifty-six million, five hundred thirty-six thousand, four hundred six".