18335001689612 has 24 divisors (see below), whose sum is σ = 32565454205760. Its totient is φ = 9030588739920.

The previous prime is 18335001689603. The next prime is 18335001689681. The reversal of 18335001689612 is 21698610053381.

It is a happy 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, 36674339 + ... + 37170917.

It is an arithmetic number, because the mean of its divisors is an integer number (1356893925240).

Almost surely, 2^{18335001689612} is an apocalyptic number.

It is an amenable number.

18335001689612 is a deficient number, since it is larger than the sum of its proper divisors (14230452516148).

18335001689612 is a wasteful number, since it uses less digits than its factorization.

18335001689612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634421 (or 634419 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 18335001689612 in words is "eighteen trillion, three hundred thirty-five billion, one million, six hundred eighty-nine thousand, six hundred twelve".