163377 has 10 divisors (see below), whose sum is σ = 244178. Its totient is φ = 108864.

The previous prime is 163367. The next prime is 163393. The reversal of 163377 is 773361.

It can be written as a sum of positive squares in only one way, i.e., 156816 + 6561 = 396^2 + 81^2 .

It is not a de Polignac number, because 163377 - 2⁷ = 163249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

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 163377.

It is not an unprimeable number, because it can be changed into a prime (163307) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 928 + ... + 1089.

2¹⁶³³⁷⁷ is an apocalyptic number.

It is an amenable number.

163377 is a deficient number, since it is larger than the sum of its proper divisors (80801).

163377 is an equidigital number, since it uses as much as digits as its factorization.

163377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2020 counting only the distinct ones).

The product of its digits is 2646, while the sum is 27.

The square root of 163377 is about 404.1992083119. The cubic root of 163377 is about 54.6676374671.

The spelling of 163377 in words is "one hundred sixty-three thousand, three hundred seventy-seven".