69856164 has 81 divisors (see below), whose sum is σ = 206447787. Its totient is φ = 19858608.

The previous prime is 69856153. The next prime is 69856183. The reversal of 69856164 is 46165896.

The square root of 69856164 is 8358.

It is a perfect power (a square), and thus also a powerful 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 26 ways as a sum of consecutive naturals, for example, 350937 + ... + 351135.

Almost surely, 2^69856164 is an apocalyptic number.

69856164 is the 8358-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69856164

69856164 is an abundant number, since it is smaller than the sum of its proper divisors (136591623).

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

69856164 is a wasteful number, since it uses less digits than its factorization.

69856164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 211 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The cubic root of 69856164 is about 411.8460558487.

The spelling of 69856164 in words is "sixty-nine million, eight hundred fifty-six thousand, one hundred sixty-four".