165313475 has 6 divisors (see below), whose sum is σ = 204988740. Its totient is φ = 132250760.

The previous prime is 165313469. The next prime is 165313493. The reversal of 165313475 is 574313561.

It is not a de Polignac number, because 165313475 - 2⁶ = 165313411 is a prime.

It is a super-3 number, since 3×165313475³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3306245 + ... + 3306294.

It is an arithmetic number, because the mean of its divisors is an integer number (34164790).

Almost surely, 2^165313475 is an apocalyptic number.

165313475 is a deficient number, since it is larger than the sum of its proper divisors (39675265).

165313475 is an equidigital number, since it uses as much as digits as its factorization.

165313475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612549 (or 6612544 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 165313475 is about 12857.4287865032. The cubic root of 165313475 is about 548.8277788891.

The spelling of 165313475 in words is "one hundred sixty-five million, three hundred thirteen thousand, four hundred seventy-five".