52167640261 has 8 divisors (see below), whose sum is σ = 56914105248. Its totient is φ = 47421834000.

The previous prime is 52167640219. The next prime is 52167640277. The reversal of 52167640261 is 16204676125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52167640261 - 2³⁵ = 17807901893 is a prime.

It is a super-2 number, since 2×52167640261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52167640661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8871 + ... + 323131.

It is an arithmetic number, because the mean of its divisors is an integer number (7114263156).

Almost surely, 2^52167640261 is an apocalyptic number.

It is an amenable number.

52167640261 is a deficient number, since it is larger than the sum of its proper divisors (4746464987).

52167640261 is a wasteful number, since it uses less digits than its factorization.

52167640261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329363.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 52167640261 in words is "fifty-two billion, one hundred sixty-seven million, six hundred forty thousand, two hundred sixty-one".