165475974 has 8 divisors (see below), whose sum is σ = 330951960. Its totient is φ = 55158656.

The previous prime is 165475967. The next prime is 165475979. The reversal of 165475974 is 479574561.

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

165475974 is an admirable number.

It is a super-3 number, since 3×165475974³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165475979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13789659 + ... + 13789670.

It is an arithmetic number, because the mean of its divisors is an integer number (41368995).

Almost surely, 2^165475974 is an apocalyptic number.

165475974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165475974 is a wasteful number, since it uses less digits than its factorization.

165475974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27579334.

The product of its digits is 1058400, while the sum is 48.

The square root of 165475974 is about 12863.7464993679. The cubic root of 165475974 is about 549.0075479800.

The spelling of 165475974 in words is "one hundred sixty-five million, four hundred seventy-five thousand, nine hundred seventy-four".