3161880396 has 18 divisors (see below), whose sum is σ = 7992531092. Its totient is φ = 1053960120.

The previous prime is 3161880391. The next prime is 3161880401. The reversal of 3161880396 is 6930881613.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3161880391) and next prime (3161880401).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (3161880391) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 43914970 + ... + 43915041.

Almost surely, 2^3161880396 is an apocalyptic number.

3161880396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3161880396 is an abundant number, since it is smaller than the sum of its proper divisors (4830650696).

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

3161880396 is a wasteful number, since it uses less digits than its factorization.

3161880396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87830021 (or 87830016 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 3161880396 is about 56230.6001746380. The cubic root of 3161880396 is about 1467.7378004838.

The spelling of 3161880396 in words is "three billion, one hundred sixty-one million, eight hundred eighty thousand, three hundred ninety-six".