52170106181807 has 16 divisors (see below), whose sum is σ = 54785608489440. Its totient is φ = 49609342054272.

The previous prime is 52170106181759. The next prime is 52170106181821. The reversal of 52170106181807 is 70818160107125.

It is a cyclic number.

It is not a de Polignac number, because 52170106181807 - 2³⁴ = 52152926312623 is a prime.

It is a super-2 number, since 2×52170106181807² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52170106181867) 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, 6962933 + ... + 12362145.

It is an arithmetic number, because the mean of its divisors is an integer number (3424100530590).

Almost surely, 2^{52170106181807} is an apocalyptic number.

52170106181807 is a deficient number, since it is larger than the sum of its proper divisors (2615502307633).

52170106181807 is a wasteful number, since it uses less digits than its factorization.

52170106181807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404282.

The product of its (nonzero) digits is 188160, while the sum is 47.

The spelling of 52170106181807 in words is "fifty-two trillion, one hundred seventy billion, one hundred six million, one hundred eighty-one thousand, eight hundred seven".