16366520774 has 8 divisors (see below), whose sum is σ = 24550651800. Its totient is φ = 8182970176.

The previous prime is 16366520749. The next prime is 16366520801. The reversal of 16366520774 is 47702566361.

16366520774 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65984 + ... + 192579.

It is an arithmetic number, because the mean of its divisors is an integer number (3068831475).

Almost surely, 2^16366520774 is an apocalyptic number.

16366520774 is a deficient number, since it is larger than the sum of its proper divisors (8184131026).

16366520774 is a wasteful number, since it uses less digits than its factorization.

16366520774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290214.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 16366520774 in words is "sixteen billion, three hundred sixty-six million, five hundred twenty thousand, seven hundred seventy-four".