63916 has 18 divisors (see below), whose sum is σ = 121940. Its totient is φ = 29232.

The previous prime is 63913. The next prime is 63929. The reversal of 63916 is 61936.

It is a super-3 number, since 3×63916³ = 783339486477888, which contains 333 as substring.

Its product of digits (972) is a multiple of the sum of its prime factors (81).

It is not an unprimeable number, because it can be changed into a prime (63913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2190 + ... + 2218.

2⁶³⁹¹⁶ is an apocalyptic number.

It is an amenable number.

63916 is a deficient number, since it is larger than the sum of its proper divisors (58024).

63916 is a wasteful number, since it uses less digits than its factorization.

63916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 50 counting only the distinct ones).

The product of its digits is 972, while the sum is 25.

The square root of 63916 is about 252.8161387254. The cubic root of 63916 is about 39.9824923382.

It can be divided in two parts, 63 and 916, that added together give a palindrome (979).

The spelling of 63916 in words is "sixty-three thousand, nine hundred sixteen".