16966693047 has 16 divisors (see below), whose sum is σ = 22705123680. Its totient is φ = 11269732992.

The previous prime is 16966693033. The next prime is 16966693067. The reversal of 16966693047 is 74039666961.

It is not a de Polignac number, because 16966693047 - 2²⁸ = 16698257591 is a prime.

It is a super-2 number, since 2×16966693047² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16966693067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2763393 + ... + 2769525.

It is an arithmetic number, because the mean of its divisors is an integer number (1419070230).

Almost surely, 2^16966693047 is an apocalyptic number.

16966693047 is a deficient number, since it is larger than the sum of its proper divisors (5738430633).

16966693047 is a wasteful number, since it uses less digits than its factorization.

16966693047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362.

The product of its (nonzero) digits is 8817984, while the sum is 57.

The spelling of 16966693047 in words is "sixteen billion, nine hundred sixty-six million, six hundred ninety-three thousand, forty-seven".