651922416 has 30 divisors (see below), whose sum is σ = 1824477720. Its totient is φ = 217307424.

The previous prime is 651922393. The next prime is 651922429. The reversal of 651922416 is 614229156.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2263476 + ... + 2263763.

It is an arithmetic number, because the mean of its divisors is an integer number (60815924).

Almost surely, 2^651922416 is an apocalyptic number.

It is an amenable number.

651922416 is an abundant number, since it is smaller than the sum of its proper divisors (1172555304).

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

651922416 is a wasteful number, since it uses less digits than its factorization.

651922416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527253 (or 4527244 counting only the distinct ones).

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

The square root of 651922416 is about 25532.7714124417. The cubic root of 651922416 is about 867.0922504140.

The spelling of 651922416 in words is "six hundred fifty-one million, nine hundred twenty-two thousand, four hundred sixteen".