651206960 has 20 divisors (see below), whose sum is σ = 1514056368. Its totient is φ = 260482752.

The previous prime is 651206929. The next prime is 651206989. The reversal of 651206960 is 69602156.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 651206960.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4069964 + ... + 4070123.

Almost surely, 2^651206960 is an apocalyptic number.

It is an amenable number.

651206960 is an abundant number, since it is smaller than the sum of its proper divisors (862849408).

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

651206960 is a wasteful number, since it uses less digits than its factorization.

651206960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140100 (or 8140094 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 651206960 is about 25518.7570230213. The cubic root of 651206960 is about 866.7749358492.

The spelling of 651206960 in words is "six hundred fifty-one million, two hundred six thousand, nine hundred sixty".