156686464 has 64 divisors (see below), whose sum is σ = 358509600. Its totient is φ = 67461120.

The previous prime is 156686441. The next prime is 156686479. The reversal of 156686464 is 464686651.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23824 + ... + 29680.

Almost surely, 2^156686464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156686464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179254800).

156686464 is an abundant number, since it is smaller than the sum of its proper divisors (201823136).

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

156686464 is a wasteful number, since it uses less digits than its factorization.

156686464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901 (or 5889 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 156686464 is about 12517.4463849461. The cubic root of 156686464 is about 539.1097172934.

The spelling of 156686464 in words is "one hundred fifty-six million, six hundred eighty-six thousand, four hundred sixty-four".