164837944 has 8 divisors (see below), whose sum is σ = 309071160. Its totient is φ = 82418968.

The previous prime is 164837929. The next prime is 164837957. The reversal of 164837944 is 449738461.

164837944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 164837894 and 164837903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10302364 + ... + 10302379.

It is an arithmetic number, because the mean of its divisors is an integer number (38633895).

Almost surely, 2^164837944 is an apocalyptic number.

It is an amenable number.

164837944 is a deficient number, since it is larger than the sum of its proper divisors (144233216).

164837944 is a wasteful number, since it uses less digits than its factorization.

164837944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20604749 (or 20604745 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 164837944 is about 12838.9230077916. The cubic root of 164837944 is about 548.3010316139.

The spelling of 164837944 in words is "one hundred sixty-four million, eight hundred thirty-seven thousand, nine hundred forty-four".