16676511572474 has 8 divisors (see below), whose sum is σ = 26938980232500. Its totient is φ = 7696851494976.

The previous prime is 16676511572471. The next prime is 16676511572537. The reversal of 16676511572474 is 47427511567661.

It can be written as a sum of positive squares in 2 ways, for example, as 15498433608025 + 1178077964449 = 3936805^2 + 1085393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16676511572471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320702145599 + ... + 320702145650.

Almost surely, 2^{16676511572474} is an apocalyptic number.

16676511572474 is a deficient number, since it is larger than the sum of its proper divisors (10262468660026).

16676511572474 is a wasteful number, since it uses less digits than its factorization.

16676511572474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641404291264.

The product of its digits is 59270400, while the sum is 62.

The spelling of 16676511572474 in words is "sixteen trillion, six hundred seventy-six billion, five hundred eleven million, five hundred seventy-two thousand, four hundred seventy-four".