3161916 has 36 divisors (see below), whose sum is σ = 8291192. Its totient is φ = 1053648.

The previous prime is 3161897. The next prime is 3161953. The reversal of 3161916 is 6191613.

3161916 is a `hidden beast` number, since 31 + 619 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×3161916³ = 94835784112333869888, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3161916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 655 + ... + 2598.

Almost surely, 2^3161916 is an apocalyptic number.

3161916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3161916 is an abundant number, since it is smaller than the sum of its proper divisors (5129276).

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

3161916 is a wasteful number, since it uses less digits than its factorization.

3161916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3258 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 3161916 is about 1778.1777189021. The cubic root of 3161916 is about 146.7743309562.

The spelling of 3161916 in words is "three million, one hundred sixty-one thousand, nine hundred sixteen".