7901616 has 20 divisors (see below), whose sum is σ = 20412632. Its totient is φ = 2633856.

The previous prime is 7901603. The next prime is 7901669. The reversal of 7901616 is 6161097.

7901616 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7901616² = 124871070822912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82261 + ... + 82356.

Almost surely, 2^7901616 is an apocalyptic number.

It is an amenable number.

7901616 is an abundant number, since it is smaller than the sum of its proper divisors (12511016).

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

7901616 is a wasteful number, since it uses less digits than its factorization.

7901616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164628 (or 164622 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 7901616 is about 2810.9813233104. The cubic root of 7901616 is about 199.1767492741.

The spelling of 7901616 in words is "seven million, nine hundred one thousand, six hundred sixteen".