16676404215603 has 32 divisors (see below), whose sum is σ = 25895706054912. Its totient is φ = 9512387392640.

The previous prime is 16676404215577. The next prime is 16676404215607. The reversal of 16676404215603 is 30651240467661.

It is not a de Polignac number, because 16676404215603 - 2⁵ = 16676404215571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (16676404215607) 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, 122767701 + ... + 122903462.

It is an arithmetic number, because the mean of its divisors is an integer number (809240814216).

Almost surely, 2^{16676404215603} is an apocalyptic number.

16676404215603 is a deficient number, since it is larger than the sum of its proper divisors (9219301839309).

16676404215603 is a wasteful number, since it uses less digits than its factorization.

16676404215603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245671216 (or 245671194 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 16676404215603 in words is "sixteen trillion, six hundred seventy-six billion, four hundred four million, two hundred fifteen thousand, six hundred three".