164898018 has 20 divisors (see below), whose sum is σ = 369494070. Its totient is φ = 54965952.

The previous prime is 164898007. The next prime is 164898037. The reversal of 164898018 is 810898461.

It can be written as a sum of positive squares in only one way, i.e., 162639009 + 2259009 = 12753^2 + 1503^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 508783 + ... + 509106.

Almost surely, 2^164898018 is an apocalyptic number.

164898018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164898018 is an abundant number, since it is smaller than the sum of its proper divisors (204596052).

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

164898018 is a wasteful number, since it uses less digits than its factorization.

164898018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017903 (or 1017894 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 164898018 is about 12841.2623211272. The cubic root of 164898018 is about 548.3676316430.

The spelling of 164898018 in words is "one hundred sixty-four million, eight hundred ninety-eight thousand, eighteen".