16641612442 has 32 divisors (see below), whose sum is σ = 30730783104. Its totient is φ = 6581822400.

The previous prime is 16641612437. The next prime is 16641612461. The reversal of 16641612442 is 24421614661.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904717 + ... + 922927.

It is an arithmetic number, because the mean of its divisors is an integer number (960336972).

Almost surely, 2^16641612442 is an apocalyptic number.

16641612442 is a deficient number, since it is larger than the sum of its proper divisors (14089170662).

16641612442 is a wasteful number, since it uses less digits than its factorization.

16641612442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23254.

The product of its digits is 55296, while the sum is 37.

The spelling of 16641612442 in words is "sixteen billion, six hundred forty-one million, six hundred twelve thousand, four hundred forty-two".