652221961372 has 6 divisors (see below), whose sum is σ = 1141388432408. Its totient is φ = 326110980684.

The previous prime is 652221961351. The next prime is 652221961381. The reversal of 652221961372 is 273169122256.

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 as a sum of consecutive naturals, namely, 81527745168 + ... + 81527745175.

Almost surely, 2^652221961372 is an apocalyptic number.

It is an amenable number.

652221961372 is a deficient number, since it is larger than the sum of its proper divisors (489166471036).

652221961372 is a wasteful number, since it uses less digits than its factorization.

652221961372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163055490347 (or 163055490345 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The spelling of 652221961372 in words is "six hundred fifty-two billion, two hundred twenty-one million, nine hundred sixty-one thousand, three hundred seventy-two".