3151680156 has 72 divisors (see below), whose sum is σ = 8399043744. Its totient is φ = 994498560.

The previous prime is 3151680149. The next prime is 3151680199. The reversal of 3151680156 is 6510861513.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3151680156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60696 + ... + 99936.

Almost surely, 2^3151680156 is an apocalyptic number.

3151680156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3151680156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4199521872).

3151680156 is an abundant number, since it is smaller than the sum of its proper divisors (5247363588).

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

3151680156 is a wasteful number, since it uses less digits than its factorization.

3151680156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39371 (or 39366 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 3151680156 is about 56139.8268255256. The cubic root of 3151680156 is about 1466.1577907010.

The spelling of 3151680156 in words is "three billion, one hundred fifty-one million, six hundred eighty thousand, one hundred fifty-six".