165047494 has 8 divisors (see below), whose sum is σ = 258335280. Its totient is φ = 78935736.

The previous prime is 165047419. The next prime is 165047513. The reversal of 165047494 is 494740561.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793949 + ... + 1794040.

It is an arithmetic number, because the mean of its divisors is an integer number (32291910).

Almost surely, 2^165047494 is an apocalyptic number.

165047494 is a deficient number, since it is larger than the sum of its proper divisors (93287786).

165047494 is a wasteful number, since it uses less digits than its factorization.

165047494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588014.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 165047494 is about 12847.0811470933. The cubic root of 165047494 is about 548.5332755286.

The spelling of 165047494 in words is "one hundred sixty-five million, forty-seven thousand, four hundred ninety-four".