331672165 has 16 divisors (see below), whose sum is σ = 444782016. Its totient is φ = 235331200.

The previous prime is 331672147. The next prime is 331672199. The reversal of 331672165 is 561276133.

It is not a de Polignac number, because 331672165 - 2¹³ = 331663973 is a prime.

It is a super-2 number, since 2×331672165² = 220012850071574450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331672165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71287 + ... + 75796.

It is an arithmetic number, because the mean of its divisors is an integer number (27798876).

Almost surely, 2^331672165 is an apocalyptic number.

It is an amenable number.

331672165 is a deficient number, since it is larger than the sum of its proper divisors (113109851).

331672165 is a wasteful number, since it uses less digits than its factorization.

331672165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147140.

The product of its digits is 22680, while the sum is 34.

The square root of 331672165 is about 18211.8687948272. The cubic root of 331672165 is about 692.2075659265.

The spelling of 331672165 in words is "three hundred thirty-one million, six hundred seventy-two thousand, one hundred sixty-five".