16334600778464 has 48 divisors (see below), whose sum is σ = 32813914468608. Its totient is φ = 8001363482112.

The previous prime is 16334600778451. The next prime is 16334600778499. The reversal of 16334600778464 is 46487700643361.

16334600778464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5964992 + ... + 8261375.

It is an arithmetic number, because the mean of its divisors is an integer number (683623218096).

Almost surely, 2^{16334600778464} is an apocalyptic number.

It is an amenable number.

16334600778464 is an abundant number, since it is smaller than the sum of its proper divisors (16479313690144).

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

16334600778464 is a wasteful number, since it uses less digits than its factorization.

16334600778464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14227107 (or 14227099 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 59.

The spelling of 16334600778464 in words is "sixteen trillion, three hundred thirty-four billion, six hundred million, seven hundred seventy-eight thousand, four hundred sixty-four".