164930864 has 80 divisors (see below), whose sum is σ = 382267200. Its totient is φ = 68866560.

The previous prime is 164930827. The next prime is 164930873. The reversal of 164930864 is 468039461.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224642 + ... + 225374.

It is an arithmetic number, because the mean of its divisors is an integer number (4778340).

Almost surely, 2^164930864 is an apocalyptic number.

164930864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164930864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191133600).

164930864 is an abundant number, since it is smaller than the sum of its proper divisors (217336336).

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

164930864 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (164930865) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (803).

164930864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 164930864 is about 12842.5411815575. The cubic root of 164930864 is about 548.4040389685.

The spelling of 164930864 in words is "one hundred sixty-four million, nine hundred thirty thousand, eight hundred sixty-four".