52609041666 has 24 divisors (see below), whose sum is σ = 115854886524. Its totient is φ = 17248865760.

The previous prime is 52609041649. The next prime is 52609041679. The reversal of 52609041666 is 66614090625.

52609041666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45043695225 + 7565346441 = 212235^2 + 86979^2 .

It is a super-2 number, since 2×52609041666² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23955661 + ... + 23957856.

Almost surely, 2^52609041666 is an apocalyptic number.

52609041666 is an abundant number, since it is smaller than the sum of its proper divisors (63245844858).

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

52609041666 is a wasteful number, since it uses less digits than its factorization.

52609041666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47913586 (or 47913583 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 52609041666 in words is "fifty-two billion, six hundred nine million, forty-one thousand, six hundred sixty-six".