16185442090 has 16 divisors (see below), whose sum is σ = 29811326688. Its totient is φ = 6323614416.

The previous prime is 16185442073. The next prime is 16185442103. The reversal of 16185442090 is 9024458161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18819852 + ... + 18820711.

It is an arithmetic number, because the mean of its divisors is an integer number (1863207918).

Almost surely, 2^16185442090 is an apocalyptic number.

16185442090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16185442090 is a deficient number, since it is larger than the sum of its proper divisors (13625884598).

16185442090 is a wasteful number, since it uses less digits than its factorization.

16185442090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37640613.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 16185442090 in words is "sixteen billion, one hundred eighty-five million, four hundred forty-two thousand, ninety".