4651021516 has 24 divisors (see below), whose sum is σ = 8185892400. Its totient is φ = 2312217600.

The previous prime is 4651021493. The next prime is 4651021523. The reversal of 4651021516 is 6151201564.

It is a super-2 number, since 2×4651021516² = 43264002284589876512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146660 + ... + 1150708.

It is an arithmetic number, because the mean of its divisors is an integer number (341078850).

Almost surely, 2^4651021516 is an apocalyptic number.

It is an amenable number.

4651021516 is a deficient number, since it is larger than the sum of its proper divisors (3534870884).

4651021516 is a wasteful number, since it uses less digits than its factorization.

4651021516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625 (or 5623 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 4651021516 is about 68198.3981923329. The cubic root of 4651021516 is about 1669.2297493748.

The spelling of 4651021516 in words is "four billion, six hundred fifty-one million, twenty-one thousand, five hundred sixteen".