16766031672 has 96 divisors (see below), whose sum is σ = 50430481200. Its totient is φ = 5158767744.

The previous prime is 16766031649. The next prime is 16766031673. The reversal of 16766031672 is 27613066761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16766031673) 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, 193143 + ... + 266150.

Almost surely, 2^16766031672 is an apocalyptic number.

16766031672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16766031672 is an abundant number, since it is smaller than the sum of its proper divisors (33664449528).

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

16766031672 is a wasteful number, since it uses less digits than its factorization.

16766031672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459334 (or 459311 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 16766031672 in words is "sixteen billion, seven hundred sixty-six million, thirty-one thousand, six hundred seventy-two".