69081116164 has 6 divisors (see below), whose sum is σ = 120891953294. Its totient is φ = 34540558080.

The previous prime is 69081116149. The next prime is 69081116179. The reversal of 69081116164 is 46161118096.

It is an interprime number because it is at equal distance from previous prime (69081116149) and next prime (69081116179).

It can be written as a sum of positive squares in only one way, i.e., 34853156100 + 34227960064 = 186690^2 + 185008^2 .

It is a super-2 number, since 2×69081116164² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69081116164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8635139517 + ... + 8635139524.

Almost surely, 2^69081116164 is an apocalyptic number.

It is an amenable number.

69081116164 is a deficient number, since it is larger than the sum of its proper divisors (51810837130).

69081116164 is a wasteful number, since it uses less digits than its factorization.

69081116164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17270279045 (or 17270279043 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 69081116164 in words is "sixty-nine billion, eighty-one million, one hundred sixteen thousand, one hundred sixty-four".