164136544 has 48 divisors (see below), whose sum is σ = 379648080. Its totient is φ = 68866560.

The previous prime is 164136541. The next prime is 164136563. The reversal of 164136544 is 445631461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164136541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13359 + ... + 22510.

It is an arithmetic number, because the mean of its divisors is an integer number (7909335).

Almost surely, 2^164136544 is an apocalyptic number.

It is an amenable number.

164136544 is an abundant number, since it is smaller than the sum of its proper divisors (215511536).

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

164136544 is a wasteful number, since it uses less digits than its factorization.

164136544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35903 (or 35895 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 164136544 is about 12811.5785132044. The cubic root of 164136544 is about 547.5222361923.

The spelling of 164136544 in words is "one hundred sixty-four million, one hundred thirty-six thousand, five hundred forty-four".