652144633161 has 16 divisors (see below), whose sum is σ = 999488394624. Its totient is φ = 370500004224.

The previous prime is 652144633099. The next prime is 652144633177. The reversal of 652144633161 is 161336441256.

It is a happy number.

It is not a de Polignac number, because 652144633161 - 2³³ = 643554698569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652144633961) 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, 89749276 + ... + 89756541.

It is an arithmetic number, because the mean of its divisors is an integer number (62468024664).

Almost surely, 2^652144633161 is an apocalyptic number.

It is an amenable number.

652144633161 is a deficient number, since it is larger than the sum of its proper divisors (347343761463).

652144633161 is a wasteful number, since it uses less digits than its factorization.

652144633161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179506000.

The product of its digits is 311040, while the sum is 42.

The spelling of 652144633161 in words is "six hundred fifty-two billion, one hundred forty-four million, six hundred thirty-three thousand, one hundred sixty-one".