16750691990 has 16 divisors (see below), whose sum is σ = 30152837952. Its totient is φ = 6699922944.

The previous prime is 16750691981. The next prime is 16750691999. The reversal of 16750691990 is 9919605761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16750691981) and next prime (16750691999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16750691999) by changing a digit.

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, 244067 + ... + 305073.

It is an arithmetic number, because the mean of its divisors is an integer number (1884552372).

Almost surely, 2^16750691990 is an apocalyptic number.

16750691990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16750691990 is a deficient number, since it is larger than the sum of its proper divisors (13402145962).

16750691990 is a wasteful number, since it uses less digits than its factorization.

16750691990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88471.

The product of its (nonzero) digits is 918540, while the sum is 53.

The spelling of 16750691990 in words is "sixteen billion, seven hundred fifty million, six hundred ninety-one thousand, nine hundred ninety".