16496987 has 12 divisors (see below), whose sum is σ = 18876816. Its totient is φ = 14328960.

The previous prime is 16496981. The next prime is 16496999. The reversal of 16496987 is 78969461.

It is not a de Polignac number, because 16496987 - 2⁴ = 16496971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16496981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1562 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (1573068).

Almost surely, 2^16496987 is an apocalyptic number.

16496987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16496987 is a deficient number, since it is larger than the sum of its proper divisors (2379829).

16496987 is a wasteful number, since it uses less digits than its factorization.

16496987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438 (or 4421 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 16496987 is about 4061.6483107231. The cubic root of 16496987 is about 254.5666714574.

The spelling of 16496987 in words is "sixteen million, four hundred ninety-six thousand, nine hundred eighty-seven".