651632160 has 96 divisors (see below), whose sum is σ = 2108175552. Its totient is φ = 169067520.

The previous prime is 651632153. The next prime is 651632171. The reversal of 651632160 is 61236156.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586 + ... + 36105.

It is an arithmetic number, because the mean of its divisors is an integer number (21960162).

Almost surely, 2^651632160 is an apocalyptic number.

651632160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651632160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054087776).

651632160 is an abundant number, since it is smaller than the sum of its proper divisors (1456543392).

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

651632160 is a wasteful number, since it uses less digits than its factorization.

651632160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36746 (or 36738 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 651632160 is about 25527.0867903096. The cubic root of 651632160 is about 866.9635458918.

The spelling of 651632160 in words is "six hundred fifty-one million, six hundred thirty-two thousand, one hundred sixty".