16732652661 has 24 divisors (see below), whose sum is σ = 24291146880. Its totient is φ = 11098987200.

The previous prime is 16732652627. The next prime is 16732652669. The reversal of 16732652661 is 16625623761.

16732652661 is a `hidden beast` number, since 1 + 67 + 3 + 2 + 6 + 526 + 61 = 666.

It is not a de Polignac number, because 16732652661 - 2¹⁹ = 16732128373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16732652669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3290641 + ... + 3295721.

It is an arithmetic number, because the mean of its divisors is an integer number (1012131120).

Almost surely, 2^16732652661 is an apocalyptic number.

It is an amenable number.

16732652661 is a deficient number, since it is larger than the sum of its proper divisors (7558494219).

16732652661 is a wasteful number, since it uses less digits than its factorization.

16732652661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857 (or 6854 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 16732652661 in words is "sixteen billion, seven hundred thirty-two million, six hundred fifty-two thousand, six hundred sixty-one".