69112203664 has 135 divisors (see below), whose sum is σ = 160359019011. Its totient is φ = 28770900480.

The previous prime is 69112203661. The next prime is 69112203701. The reversal of 69112203664 is 46630221196.

The square root of 69112203664 is 262892.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 132434064 + 68979769600 = 11508^2 + 262640^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69112203661) by changing a digit.

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 in 26 ways as a sum of consecutive naturals, for example, 301799902 + ... + 301800130.

Almost surely, 2^69112203664 is an apocalyptic number.

69112203664 is the 262892-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69112203664

69112203664 is an abundant number, since it is smaller than the sum of its proper divisors (91246815347).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69112203664 is an equidigital number, since it uses as much as digits as its factorization.

69112203664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 69112203664 in words is "sixty-nine billion, one hundred twelve million, two hundred three thousand, six hundred sixty-four".