16564002063741 has 48 divisors (see below), whose sum is σ = 27707241257280. Its totient is φ = 9423983132160.

The previous prime is 16564002063731. The next prime is 16564002063781. The reversal of 16564002063741 is 14736020046561.

16564002063741 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 4 + 0 + 0 + 2 + 0 + 637 + 4 + 1 = 666.

It is not a de Polignac number, because 16564002063741 - 2⁵ = 16564002063709 is a prime.

It is a super-2 number, since 2×16564002063741² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16564002063731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11995635 + ... + 13305008.

It is an arithmetic number, because the mean of its divisors is an integer number (577234192860).

Almost surely, 2^{16564002063741} is an apocalyptic number.

16564002063741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16564002063741 is a deficient number, since it is larger than the sum of its proper divisors (11143239193539).

16564002063741 is a wasteful number, since it uses less digits than its factorization.

16564002063741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25301066 (or 25301063 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 16564002063741 in words is "sixteen trillion, five hundred sixty-four billion, two million, sixty-three thousand, seven hundred forty-one".