16960987 has 4 divisors (see below), whose sum is σ = 17022496. Its totient is φ = 16899480.

The previous prime is 16960949. The next prime is 16961017. The reversal of 16960987 is 78906961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16960987 - 2⁷ = 16960859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16960927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30339 + ... + 30892.

It is an arithmetic number, because the mean of its divisors is an integer number (4255624).

Almost surely, 2^16960987 is an apocalyptic number.

16960987 is a deficient number, since it is larger than the sum of its proper divisors (61509).

16960987 is an equidigital number, since it uses as much as digits as its factorization.

16960987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61508.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 16960987 is about 4118.3718870447. The cubic root of 16960987 is about 256.9313154531.

The spelling of 16960987 in words is "sixteen million, nine hundred sixty thousand, nine hundred eighty-seven".