16747564705 has 8 divisors (see below), whose sum is σ = 21279258792. Its totient is φ = 12609931008.

The previous prime is 16747564693. The next prime is 16747564723. The reversal of 16747564705 is 50746574761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8480936464 + 8266628241 = 92092^2 + 90921^2 .

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 16747564705 - 2¹⁵ = 16747531937 is a prime.

It is a Duffinian number.

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, 98515002 + ... + 98515171.

It is an arithmetic number, because the mean of its divisors is an integer number (2659907349).

Almost surely, 2^16747564705 is an apocalyptic number.

It is an amenable number.

16747564705 is a deficient number, since it is larger than the sum of its proper divisors (4531694087).

16747564705 is a wasteful number, since it uses less digits than its factorization.

16747564705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197030195.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 16747564705 in words is "sixteen billion, seven hundred forty-seven million, five hundred sixty-four thousand, seven hundred five".