16377 has 8 divisors (see below), whose sum is σ = 22464. Its totient is φ = 10608.

The previous prime is 16369. The next prime is 16381. The reversal of 16377 is 77361.

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

It is not a de Polignac number, because 16377 - 2³ = 16369 is a prime.

It is a super-2 number, since 2×16377² = 536412258, which contains 22 as substring.

It is a plaindrome in base 11.

It is a nialpdrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (16477) 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, 108 + ... + 210.

It is an arithmetic number, because the mean of its divisors is an integer number (2808).

16377 is a Friedman number, since it can be written as (7-3)^7-6-1, using all its digits and the basic arithmetic operations.

2¹⁶³⁷⁷ is an apocalyptic number.

It is an amenable number.

16377 is a deficient number, since it is larger than the sum of its proper divisors (6087).

16377 is a wasteful number, since it uses less digits than its factorization.

16377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

The product of its digits is 882, while the sum is 24.

The square root of 16377 is about 127.9726533287. The cubic root of 16377 is about 25.3947991914.

It can be divided in two parts, 16 and 377, that added together give a palindrome (393).

The spelling of 16377 in words is "sixteen thousand, three hundred seventy-seven".