165473633 has 8 divisors (see below), whose sum is σ = 178338048. Its totient is φ = 152628624.

The previous prime is 165473621. The next prime is 165473677. The reversal of 165473633 is 336374561.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 165473633 - 2⁸ = 165473377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165473233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16310 + ... + 24432.

It is an arithmetic number, because the mean of its divisors is an integer number (22292256).

Almost surely, 2^165473633 is an apocalyptic number.

165473633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165473633 is a deficient number, since it is larger than the sum of its proper divisors (12864415).

165473633 is a wasteful number, since it uses less digits than its factorization.

165473633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703.

The product of its digits is 136080, while the sum is 38.

The square root of 165473633 is about 12863.6555068923. The cubic root of 165473633 is about 549.0049590186.

The spelling of 165473633 in words is "one hundred sixty-five million, four hundred seventy-three thousand, six hundred thirty-three".