69664260215 has 8 divisors (see below), whose sum is σ = 91196849808. Its totient is φ = 50664916480.

The previous prime is 69664260199. The next prime is 69664260287. The reversal of 69664260215 is 51206246696.

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

It is not a de Polignac number, because 69664260215 - 2⁴ = 69664260199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69664260215.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 633311402 + ... + 633311511.

It is an arithmetic number, because the mean of its divisors is an integer number (11399606226).

Almost surely, 2^69664260215 is an apocalyptic number.

69664260215 is a deficient number, since it is larger than the sum of its proper divisors (21532589593).

69664260215 is a wasteful number, since it uses less digits than its factorization.

69664260215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266622929.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 69664260215 in words is "sixty-nine billion, six hundred sixty-four million, two hundred sixty thousand, two hundred fifteen".