16677361432474 has 16 divisors (see below), whose sum is σ = 25891494748200. Its totient is φ = 8047148304384.

The previous prime is 16677361432463. The next prime is 16677361432477. The reversal of 16677361432474 is 47423416377661.

It can be written as a sum of positive squares in 4 ways, for example, as 12110699281849 + 4566662150625 = 3480043^2 + 2136975^2 .

It is not an unprimeable number, because it can be changed into a prime (16677361432477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71162319 + ... + 71396290.

Almost surely, 2^{16677361432474} is an apocalyptic number.

16677361432474 is a deficient number, since it is larger than the sum of its proper divisors (9214133315726).

16677361432474 is a wasteful number, since it uses less digits than its factorization.

16677361432474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142560657.

The product of its digits is 85349376, while the sum is 61.

The spelling of 16677361432474 in words is "sixteen trillion, six hundred seventy-seven billion, three hundred sixty-one million, four hundred thirty-two thousand, four hundred seventy-four".