164502075 has 18 divisors (see below), whose sum is σ = 272160532. Its totient is φ = 87675200.

The previous prime is 164502053. The next prime is 164502077. The reversal of 164502075 is 570205461.

It is not a de Polignac number, because 164502075 - 2⁶ = 164502011 is a prime.

It is a super-4 number, since 4×164502075⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164502077) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 110335 + ... + 111815.

Almost surely, 2^164502075 is an apocalyptic number.

164502075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164502075 is a deficient number, since it is larger than the sum of its proper divisors (107658457).

164502075 is an frugal number, since it uses more digits than its factorization.

164502075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 164502075 is about 12825.8362300475. The cubic root of 164502075 is about 547.9283776518.

The spelling of 164502075 in words is "one hundred sixty-four million, five hundred two thousand, seventy-five".