16719136990 has 8 divisors (see below), whose sum is σ = 30094446600. Its totient is φ = 6687654792.

The previous prime is 16719136943. The next prime is 16719136991. The reversal of 16719136990 is 9963191761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16719136991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835956840 + ... + 835956859.

It is an arithmetic number, because the mean of its divisors is an integer number (3761805825).

Almost surely, 2^16719136990 is an apocalyptic number.

16719136990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16719136990 is a deficient number, since it is larger than the sum of its proper divisors (13375309610).

16719136990 is a wasteful number, since it uses less digits than its factorization.

16719136990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671913706.

The product of its (nonzero) digits is 551124, while the sum is 52.

The spelling of 16719136990 in words is "sixteen billion, seven hundred nineteen million, one hundred thirty-six thousand, nine hundred ninety".