52265638161 has 24 divisors (see below), whose sum is σ = 82582441344. Its totient is φ = 31589811360.

The previous prime is 52265638153. The next prime is 52265638169. The reversal of 52265638161 is 16183656225.

52265638161 is a `hidden beast` number, since 5 + 2 + 2 + 6 + 5 + 638 + 1 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (52265638153) and next prime (52265638169).

It is not a de Polignac number, because 52265638161 - 2³ = 52265638153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52265638169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 682926 + ... + 755591.

It is an arithmetic number, because the mean of its divisors is an integer number (3440935056).

Almost surely, 2^52265638161 is an apocalyptic number.

It is an amenable number.

52265638161 is a deficient number, since it is larger than the sum of its proper divisors (30316803183).

52265638161 is a wasteful number, since it uses less digits than its factorization.

52265638161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438901 (or 1438898 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 52265638161 in words is "fifty-two billion, two hundred sixty-five million, six hundred thirty-eight thousand, one hundred sixty-one".