16193964 has 48 divisors (see below), whose sum is σ = 38949120. Its totient is φ = 5234880.

The previous prime is 16193941. The next prime is 16193981. The reversal of 16193964 is 46939161.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70602 + ... + 70830.

It is an arithmetic number, because the mean of its divisors is an integer number (811440).

Almost surely, 2^16193964 is an apocalyptic number.

It is an amenable number.

16193964 is an abundant number, since it is smaller than the sum of its proper divisors (22755156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16193964 is a wasteful number, since it uses less digits than its factorization.

16193964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 16193964 is about 4024.1724615131. The cubic root of 16193964 is about 252.9983700104.

The spelling of 16193964 in words is "sixteen million, one hundred ninety-three thousand, nine hundred sixty-four".