4651216920 has 96 divisors (see below), whose sum is σ = 17275957920. Its totient is φ = 1063134720.

The previous prime is 4651216909. The next prime is 4651216957. The reversal of 4651216920 is 296121564.

4651216920 is a `hidden beast` number, since 46 + 512 + 16 + 92 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 920341 + ... + 925380.

It is an arithmetic number, because the mean of its divisors is an integer number (179957895).

Almost surely, 2^4651216920 is an apocalyptic number.

4651216920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4651216920 is an abundant number, since it is smaller than the sum of its proper divisors (12624741000).

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

4651216920 is a wasteful number, since it uses less digits than its factorization.

4651216920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845745 (or 1845738 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 4651216920 is about 68199.8307915789. The cubic root of 4651216920 is about 1669.2531255730.

The spelling of 4651216920 in words is "four billion, six hundred fifty-one million, two hundred sixteen thousand, nine hundred twenty".