16745096621 has 8 divisors (see below), whose sum is σ = 18276257664. Its totient is φ = 15215415520.

The previous prime is 16745096609. The next prime is 16745096639. The reversal of 16745096621 is 12669054761.

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

It is a cyclic number.

It is not a de Polignac number, because 16745096621 - 2¹⁰ = 16745095597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16745096681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346256 + ... + 391641.

It is an arithmetic number, because the mean of its divisors is an integer number (2284532208).

Almost surely, 2^16745096621 is an apocalyptic number.

16745096621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16745096621 is a deficient number, since it is larger than the sum of its proper divisors (1531161043).

16745096621 is a wasteful number, since it uses less digits than its factorization.

16745096621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739971.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 16745096621 in words is "sixteen billion, seven hundred forty-five million, ninety-six thousand, six hundred twenty-one".