651972104 has 16 divisors (see below), whose sum is σ = 1397083200. Its totient is φ = 279416592.

The previous prime is 651972103. The next prime is 651972107. The reversal of 651972104 is 401279156.

It is not an unprimeable number, because it can be changed into a prime (651972103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5821124 + ... + 5821235.

It is an arithmetic number, because the mean of its divisors is an integer number (87317700).

Almost surely, 2^651972104 is an apocalyptic number.

It is an amenable number.

651972104 is an abundant number, since it is smaller than the sum of its proper divisors (745111096).

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

651972104 is a wasteful number, since it uses less digits than its factorization.

651972104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11642372 (or 11642368 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 651972104 is about 25533.7444179266. The cubic root of 651972104 is about 867.1142791013.

The spelling of 651972104 in words is "six hundred fifty-one million, nine hundred seventy-two thousand, one hundred four".