16704021964 has 96 divisors (see below), whose sum is σ = 34505031680. Its totient is φ = 6928975872.

The previous prime is 16704021947. The next prime is 16704021967. The reversal of 16704021964 is 46912040761.

It is not an unprimeable number, because it can be changed into a prime (16704021967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27249322 + ... + 27249934.

Almost surely, 2^16704021964 is an apocalyptic number.

16704021964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16704021964 is an abundant number, since it is smaller than the sum of its proper divisors (17801009716).

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

16704021964 is a wasteful number, since it uses less digits than its factorization.

16704021964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 16704021964 in words is "sixteen billion, seven hundred four million, twenty-one thousand, nine hundred sixty-four".