69105916916 has 12 divisors (see below), whose sum is σ = 121294215588. Its totient is φ = 34450426752.

The previous prime is 69105916907. The next prime is 69105916951. The reversal of 69105916916 is 61961950196.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28706524900 + 40399392016 = 169430^2 + 200996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25631411 + ... + 25634106.

It is an arithmetic number, because the mean of its divisors is an integer number (10107851299).

Almost surely, 2^69105916916 is an apocalyptic number.

It is an amenable number.

69105916916 is a deficient number, since it is larger than the sum of its proper divisors (52188298672).

69105916916 is a wasteful number, since it uses less digits than its factorization.

69105916916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51265858 (or 51265856 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 69105916916 in words is "sixty-nine billion, one hundred five million, nine hundred sixteen thousand, nine hundred sixteen".