16992378012 has 24 divisors (see below), whose sum is σ = 41372747136. Its totient is φ = 5417859568.

The previous prime is 16992377959. The next prime is 16992378023. The reversal of 16992378012 is 21087329961.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30783018 + ... + 30783569.

It is an arithmetic number, because the mean of its divisors is an integer number (1723864464).

Almost surely, 2^16992378012 is an apocalyptic number.

16992378012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16992378012 is an abundant number, since it is smaller than the sum of its proper divisors (24380369124).

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

16992378012 is a wasteful number, since it uses less digits than its factorization.

16992378012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61566617 (or 61566615 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 16992378012 in words is "sixteen billion, nine hundred ninety-two million, three hundred seventy-eight thousand, twelve".