652660633261 has 16 divisors (see below), whose sum is σ = 803340332928. Its totient is φ = 516348590400.

The previous prime is 652660633253. The next prime is 652660633283. The reversal of 652660633261 is 162336066256.

It is a cyclic number.

It is not a de Polignac number, because 652660633261 - 2³ = 652660633253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652660633241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849591 + ... + 1423771.

It is an arithmetic number, because the mean of its divisors is an integer number (50208770808).

Almost surely, 2^652660633261 is an apocalyptic number.

It is an amenable number.

652660633261 is a deficient number, since it is larger than the sum of its proper divisors (150679699667).

652660633261 is a wasteful number, since it uses less digits than its factorization.

652660633261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586692.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 652660633261 in words is "six hundred fifty-two billion, six hundred sixty million, six hundred thirty-three thousand, two hundred sixty-one".