163332665 has 8 divisors (see below), whose sum is σ = 196619400. Its totient is φ = 130252672.

The previous prime is 163332641. The next prime is 163332671. The reversal of 163332665 is 566233361.

It can be written as a sum of positive squares in 4 ways, for example, as 795664 + 162537001 = 892^2 + 12749^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163332665 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49940 + ... + 53109.

It is an arithmetic number, because the mean of its divisors is an integer number (24577425).

Almost surely, 2^163332665 is an apocalyptic number.

It is an amenable number.

163332665 is a deficient number, since it is larger than the sum of its proper divisors (33286735).

163332665 is a wasteful number, since it uses less digits than its factorization.

163332665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103371.

The product of its digits is 58320, while the sum is 35.

The square root of 163332665 is about 12780.1668611955. The cubic root of 163332665 is about 546.6269203620.

The spelling of 163332665 in words is "one hundred sixty-three million, three hundred thirty-two thousand, six hundred sixty-five".