16641366634 has 16 divisors (see below), whose sum is σ = 25243094016. Its totient is φ = 8227524400.

The previous prime is 16641366593. The next prime is 16641366659. The reversal of 16641366634 is 43666314661.

16641366634 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 66637 + ... + 194224.

It is an arithmetic number, because the mean of its divisors is an integer number (1577693376).

Almost surely, 2^16641366634 is an apocalyptic number.

16641366634 is a deficient number, since it is larger than the sum of its proper divisors (8601727382).

16641366634 is a wasteful number, since it uses less digits than its factorization.

16641366634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261221.

The product of its digits is 1119744, while the sum is 46.

The spelling of 16641366634 in words is "sixteen billion, six hundred forty-one million, three hundred sixty-six thousand, six hundred thirty-four".