16772090905 has 8 divisors (see below), whose sum is σ = 20426905152. Its totient is φ = 13217408688.

The previous prime is 16772090903. The next prime is 16772090917. The reversal of 16772090905 is 50909027761.

It is a happy number.

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 16772090905 - 2¹ = 16772090903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16772090903) 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, 25032637 + ... + 25033306.

It is an arithmetic number, because the mean of its divisors is an integer number (2553363144).

Almost surely, 2^16772090905 is an apocalyptic number.

It is an amenable number.

16772090905 is a deficient number, since it is larger than the sum of its proper divisors (3654814247).

16772090905 is an equidigital number, since it uses as much as digits as its factorization.

16772090905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50066015.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 16772090905 in words is "sixteen billion, seven hundred seventy-two million, ninety thousand, nine hundred five".