164503146 has 16 divisors (see below), whose sum is σ = 329212224. Its totient is φ = 54800064.

The previous prime is 164503123. The next prime is 164503189. The reversal of 164503146 is 641305461.

It is a super-2 number, since 2×164503146² = 54122570087794632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3010 + ... + 18386.

It is an arithmetic number, because the mean of its divisors is an integer number (20575764).

Almost surely, 2^164503146 is an apocalyptic number.

164503146 is an abundant number, since it is smaller than the sum of its proper divisors (164709078).

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

164503146 is a wasteful number, since it uses less digits than its factorization.

164503146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17165.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 164503146 is about 12825.8779816432. The cubic root of 164503146 is about 547.9295667554.

The spelling of 164503146 in words is "one hundred sixty-four million, five hundred three thousand, one hundred forty-six".