16666046562 has 96 divisors (see below), whose sum is σ = 37249414272. Its totient is φ = 4966720000.

The previous prime is 16666046513. The next prime is 16666046599. The reversal of 16666046562 is 26564066661.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12244762 + ... + 12246122.

It is an arithmetic number, because the mean of its divisors is an integer number (388014732).

Almost surely, 2^16666046562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16666046562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18624707136).

16666046562 is an abundant number, since it is smaller than the sum of its proper divisors (20583367710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16666046562 is a wasteful number, since it uses less digits than its factorization.

16666046562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 16666046562 in words is "sixteen billion, six hundred sixty-six million, forty-six thousand, five hundred sixty-two".