16634712732 has 48 divisors (see below), whose sum is σ = 42429308544. Its totient is φ = 5030536000.

The previous prime is 16634712719. The next prime is 16634712733. The reversal of 16634712732 is 23721743661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16634712733) 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, 63519 + ... + 193142.

It is an arithmetic number, because the mean of its divisors is an integer number (883943928).

Almost surely, 2^16634712732 is an apocalyptic number.

16634712732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16634712732 is an abundant number, since it is smaller than the sum of its proper divisors (25794595812).

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

16634712732 is a wasteful number, since it uses less digits than its factorization.

16634712732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257170 (or 257168 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The spelling of 16634712732 in words is "sixteen billion, six hundred thirty-four million, seven hundred twelve thousand, seven hundred thirty-two".