16864475081742 has 24 divisors (see below), whose sum is σ = 36781680758160. Its totient is φ = 5584263271200.

The previous prime is 16864475081723. The next prime is 16864475081801. The reversal of 16864475081742 is 24718057446861.

16864475081742 is a `hidden beast` number, since 1 + 6 + 86 + 4 + 4 + 7 + 508 + 1 + 7 + 42 = 666.

16864475081742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16864475081742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3102365767 + ... + 3102371202.

It is an arithmetic number, because the mean of its divisors is an integer number (1532570031590).

Almost surely, 2^{16864475081742} is an apocalyptic number.

16864475081742 is an abundant number, since it is smaller than the sum of its proper divisors (19917205676418).

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

16864475081742 is a wasteful number, since it uses less digits than its factorization.

16864475081742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204737128 (or 6204737125 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 16864475081742 in words is "sixteen trillion, eight hundred sixty-four billion, four hundred seventy-five million, eighty-one thousand, seven hundred forty-two".