16463992 has 8 divisors (see below), whose sum is σ = 30870000. Its totient is φ = 8231992.

The previous prime is 16463989. The next prime is 16463999. The reversal of 16463992 is 29936461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16463999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028992 + ... + 1029007.

It is an arithmetic number, because the mean of its divisors is an integer number (3858750).

Almost surely, 2^16463992 is an apocalyptic number.

It is an amenable number.

16463992 is a deficient number, since it is larger than the sum of its proper divisors (14406008).

16463992 is a wasteful number, since it uses less digits than its factorization.

16463992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058005 (or 2058001 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 16463992 is about 4057.5845031250. The cubic root of 16463992 is about 254.3968417919.

The spelling of 16463992 in words is "sixteen million, four hundred sixty-three thousand, nine hundred ninety-two".