16732351561 has 8 divisors (see below), whose sum is σ = 17140163040. Its totient is φ = 16328680608.

The previous prime is 16732351543. The next prime is 16732351567. The reversal of 16732351561 is 16515323761.

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

It is a cyclic number.

It is not a de Polignac number, because 16732351561 - 2¹⁵ = 16732318793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16732351567) 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, 1026951 + ... + 1043116.

It is an arithmetic number, because the mean of its divisors is an integer number (2142520380).

Almost surely, 2^16732351561 is an apocalyptic number.

It is an amenable number.

16732351561 is a deficient number, since it is larger than the sum of its proper divisors (407811479).

16732351561 is a wasteful number, since it uses less digits than its factorization.

16732351561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070263.

The product of its digits is 113400, while the sum is 40.

The spelling of 16732351561 in words is "sixteen billion, seven hundred thirty-two million, three hundred fifty-one thousand, five hundred sixty-one".