16731493912 has 32 divisors (see below), whose sum is σ = 36285177600. Its totient is φ = 7084245024.

The previous prime is 16731493903. The next prime is 16731493921. The reversal of 16731493912 is 21939413761.

It is an interprime number because it is at equal distance from previous prime (16731493903) and next prime (16731493921).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795212 + ... + 1804507.

It is an arithmetic number, because the mean of its divisors is an integer number (1133911800).

Almost surely, 2^16731493912 is an apocalyptic number.

It is an amenable number.

16731493912 is an abundant number, since it is smaller than the sum of its proper divisors (19553683688).

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

16731493912 is a wasteful number, since it uses less digits than its factorization.

16731493912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599815 (or 3599811 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

It can be divided in two parts, 1673 and 1493912, that added together give a triangular number (1495585 = T₁₇₂₉).

The spelling of 16731493912 in words is "sixteen billion, seven hundred thirty-one million, four hundred ninety-three thousand, nine hundred twelve".