164963515 has 8 divisors (see below), whose sum is σ = 198037008. Its totient is φ = 131916960.

The previous prime is 164963489. The next prime is 164963527. The reversal of 164963515 is 515369461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164963515 - 2⁵ = 164963483 is a prime.

It is a super-2 number, since 2×164963515² = 54425922562310450, which contains 22 as substring.

It is a Duffinian number.

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, 10984 + ... + 21226.

It is an arithmetic number, because the mean of its divisors is an integer number (24754626).

Almost surely, 2^164963515 is an apocalyptic number.

164963515 is a deficient number, since it is larger than the sum of its proper divisors (33073493).

164963515 is a wasteful number, since it uses less digits than its factorization.

164963515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13469.

The product of its digits is 97200, while the sum is 40.

The square root of 164963515 is about 12843.8123234498. The cubic root of 164963515 is about 548.4402253607.

The spelling of 164963515 in words is "one hundred sixty-four million, nine hundred sixty-three thousand, five hundred fifteen".