164236656 has 20 divisors (see below), whose sum is σ = 424278152. Its totient is φ = 54745536.

The previous prime is 164236649. The next prime is 164236661. The reversal of 164236656 is 656632461.

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, 1710751 + ... + 1710846.

Almost surely, 2^164236656 is an apocalyptic number.

164236656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164236656 is an abundant number, since it is smaller than the sum of its proper divisors (260041496).

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

164236656 is a wasteful number, since it uses less digits than its factorization.

164236656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421608 (or 3421602 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 164236656 is about 12815.4850083795. The cubic root of 164236656 is about 547.6335305338.

The spelling of 164236656 in words is "one hundred sixty-four million, two hundred thirty-six thousand, six hundred fifty-six".