164894120 has 48 divisors (see below), whose sum is σ = 376264980. Its totient is φ = 65031680.

The previous prime is 164894111. The next prime is 164894123. The reversal of 164894120 is 21498461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140232964 + 24661156 = 11842^2 + 4966^2 .

It is not an unprimeable number, because it can be changed into a prime (164894123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 863225 + ... + 863415.

Almost surely, 2^164894120 is an apocalyptic number.

164894120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164894120 is an abundant number, since it is smaller than the sum of its proper divisors (211370860).

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

164894120 is a wasteful number, since it uses less digits than its factorization.

164894120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 164894120 is about 12841.1105438743. The cubic root of 164894120 is about 548.3633106817.

The spelling of 164894120 in words is "one hundred sixty-four million, eight hundred ninety-four thousand, one hundred twenty".