16897671432 has 48 divisors (see below), whose sum is σ = 48173190000. Its totient is φ = 5336106336.

The previous prime is 16897671419. The next prime is 16897671433. The reversal of 16897671432 is 23417679861.

16897671432 is a `hidden beast` number, since 1 + 68 + 97 + 67 + 1 + 432 = 666.

It is not an unprimeable number, because it can be changed into a prime (16897671433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6174682 + ... + 6177417.

It is an arithmetic number, because the mean of its divisors is an integer number (1003608125).

Almost surely, 2^16897671432 is an apocalyptic number.

16897671432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16897671432 is an abundant number, since it is smaller than the sum of its proper divisors (31275518568).

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

16897671432 is a wasteful number, since it uses less digits than its factorization.

16897671432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12352130 (or 12352123 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 16897671432 in words is "sixteen billion, eight hundred ninety-seven million, six hundred seventy-one thousand, four hundred thirty-two".