164725736 has 16 divisors (see below), whose sum is σ = 352983840. Its totient is φ = 70596720.

The previous prime is 164725721. The next prime is 164725777. The reversal of 164725736 is 637527461.

It is a junction number, because it is equal to n+sod(n) for n = 164725693 and 164725702.

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 3 ways as a sum of consecutive naturals, for example, 1470710 + ... + 1470821.

It is an arithmetic number, because the mean of its divisors is an integer number (22061490).

Almost surely, 2^164725736 is an apocalyptic number.

It is an amenable number.

164725736 is an abundant number, since it is smaller than the sum of its proper divisors (188258104).

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

164725736 is a wasteful number, since it uses less digits than its factorization.

164725736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941544 (or 2941540 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 164725736 is about 12834.5524269450. The cubic root of 164725736 is about 548.1765907519.

The spelling of 164725736 in words is "one hundred sixty-four million, seven hundred twenty-five thousand, seven hundred thirty-six".