16181835999042 has 32 divisors (see below), whose sum is σ = 39162762755712. Its totient is φ = 4351418083584.

The previous prime is 16181835999019. The next prime is 16181835999053. The reversal of 16181835999042 is 24099953818161.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11331817213 + ... + 11331818640.

It is an arithmetic number, because the mean of its divisors is an integer number (1223836336116).

Almost surely, 2^{16181835999042} is an apocalyptic number.

16181835999042 is an abundant number, since it is smaller than the sum of its proper divisors (22980926756670).

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

16181835999042 is a wasteful number, since it uses less digits than its factorization.

16181835999042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22663635882.

The product of its (nonzero) digits is 33592320, while the sum is 66.

The spelling of 16181835999042 in words is "sixteen trillion, one hundred eighty-one billion, eight hundred thirty-five million, nine hundred ninety-nine thousand, forty-two".