156613996 has 72 divisors (see below), whose sum is σ = 368350416. Its totient is φ = 57415680.

The previous prime is 156613943. The next prime is 156613997. The reversal of 156613996 is 699316651.

It is not an unprimeable number, because it can be changed into a prime (156613997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34516 + ... + 38788.

It is an arithmetic number, because the mean of its divisors is an integer number (5115978).

Almost surely, 2^156613996 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 156613996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184175208).

156613996 is an abundant number, since it is smaller than the sum of its proper divisors (211736420).

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

156613996 is a wasteful number, since it uses less digits than its factorization.

156613996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319 (or 4310 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 156613996 is about 12514.5513703049. The cubic root of 156613996 is about 539.0265911433.

It can be divided in two parts, 156613 and 996, that added together give a square (157609 = 397²).

The spelling of 156613996 in words is "one hundred fifty-six million, six hundred thirteen thousand, nine hundred ninety-six".