156336636 has 48 divisors (see below), whose sum is σ = 386825600. Its totient is φ = 49004352.

The previous prime is 156336623. The next prime is 156336637. The reversal of 156336636 is 636633651.

It is a super-2 number, since 2×156336636² = 48882287511592992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156336594 and 156336603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156336637) 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 15 ways as a sum of consecutive naturals, for example, 29226 + ... + 34158.

Almost surely, 2^156336636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156336636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193412800).

156336636 is an abundant number, since it is smaller than the sum of its proper divisors (230488964).

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

156336636 is a wasteful number, since it uses less digits than its factorization.

156336636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098 (or 5096 counting only the distinct ones).

The product of its digits is 174960, while the sum is 39.

The square root of 156336636 is about 12503.4649597622. The cubic root of 156336636 is about 538.7082016369.

The spelling of 156336636 in words is "one hundred fifty-six million, three hundred thirty-six thousand, six hundred thirty-six".