16980477 has 16 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 11111472.

The previous prime is 16980451. The next prime is 16980493. The reversal of 16980477 is 77408961.

16980477 = T₃₄₃ + T₃₄₄ + ... + T₅₂₁.

It is not a de Polignac number, because 16980477 - 2¹² = 16976381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16980427) 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 15 ways as a sum of consecutive naturals, for example, 55158 + ... + 55464.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^16980477 is an apocalyptic number.

It is an amenable number.

16980477 is a deficient number, since it is larger than the sum of its proper divisors (6082563).

16980477 is a wasteful number, since it uses less digits than its factorization.

16980477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 16980477 is about 4120.7374340038. The cubic root of 16980477 is about 257.0296916949.

The spelling of 16980477 in words is "sixteen million, nine hundred eighty thousand, four hundred seventy-seven".