156381316 has 48 divisors (see below), whose sum is σ = 338060800. Its totient is φ = 61637760.

The previous prime is 156381307. The next prime is 156381353. The reversal of 156381316 is 613183651.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126421 + ... + 127651.

Almost surely, 2^156381316 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 156381316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169030400).

156381316 is an abundant number, since it is smaller than the sum of its proper divisors (181679484).

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

156381316 is a wasteful number, since it uses less digits than its factorization.

156381316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1602 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 156381316 is about 12505.2515368544. The cubic root of 156381316 is about 538.7595165227.

The spelling of 156381316 in words is "one hundred fifty-six million, three hundred eighty-one thousand, three hundred sixteen".