16401115974 has 16 divisors (see below), whose sum is σ = 32811670080. Its totient is φ = 5465465640.

The previous prime is 16401115963. The next prime is 16401116009. The reversal of 16401115974 is 47951110461.

16401115974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370564 + ... + 412455.

It is an arithmetic number, because the mean of its divisors is an integer number (2050729380).

Almost surely, 2^16401115974 is an apocalyptic number.

16401115974 is an abundant number, since it is smaller than the sum of its proper divisors (16410554106).

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

16401115974 is a wasteful number, since it uses less digits than its factorization.

16401115974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786515.

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 16401115974 in words is "sixteen billion, four hundred one million, one hundred fifteen thousand, nine hundred seventy-four".