16961964 has 24 divisors (see below), whose sum is σ = 39782400. Its totient is φ = 5624784.

The previous prime is 16961957. The next prime is 16961999. The reversal of 16961964 is 46916961.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (1657600).

Almost surely, 2^16961964 is an apocalyptic number.

It is an amenable number.

16961964 is an abundant number, since it is smaller than the sum of its proper divisors (22820436).

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

16961964 is a wasteful number, since it uses less digits than its factorization.

16961964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7309 (or 7307 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 16961964 is about 4118.4905001711. The cubic root of 16961964 is about 256.9362486777.

The spelling of 16961964 in words is "sixteen million, nine hundred sixty-one thousand, nine hundred sixty-four".