651600651606 has 32 divisors (see below), whose sum is σ = 1321049226240. Its totient is φ = 214231195776.

The previous prime is 651600651589. The next prime is 651600651643. The reversal of 651600651606 is 606156006156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240426 + ... + 1166621.

It is an arithmetic number, because the mean of its divisors is an integer number (41282788320).

Almost surely, 2^651600651606 is an apocalyptic number.

651600651606 is an abundant number, since it is smaller than the sum of its proper divisors (669448574634).

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

651600651606 is a wasteful number, since it uses less digits than its factorization.

651600651606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408108.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 651600651606 in words is "six hundred fifty-one billion, six hundred million, six hundred fifty-one thousand, six hundred six".