16923968075920 has 80 divisors (see below), whose sum is σ = 39369384573120. Its totient is φ = 6765948237312.

The previous prime is 16923968075863. The next prime is 16923968075951. The reversal of 16923968075920 is 2957086932961.

16923968075920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1716595951 + ... + 1716605809.

It is an arithmetic number, because the mean of its divisors is an integer number (492117307164).

Almost surely, 2^{16923968075920} is an apocalyptic number.

16923968075920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16923968075920 is an abundant number, since it is smaller than the sum of its proper divisors (22445416497200).

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

16923968075920 is a wasteful number, since it uses less digits than its factorization.

16923968075920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19232 (or 19226 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 16923968075920 in words is "sixteen trillion, nine hundred twenty-three billion, nine hundred sixty-eight million, seventy-five thousand, nine hundred twenty".