5664151616665 has 16 divisors (see below), whose sum is σ = 6807535576128. Its totient is φ = 4524286714816.

The previous prime is 5664151616663. The next prime is 5664151616737. The reversal of 5664151616665 is 5666161514665.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5664151616665 - 2¹ = 5664151616663 is a prime.

It is a super-2 number, since 2×5664151616665² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5664151616663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42097839 + ... + 42232171.

It is an arithmetic number, because the mean of its divisors is an integer number (425470973508).

Almost surely, 2^{5664151616665} is an apocalyptic number.

It is an amenable number.

5664151616665 is a deficient number, since it is larger than the sum of its proper divisors (1143383959463).

5664151616665 is a wasteful number, since it uses less digits than its factorization.

5664151616665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147368.

The product of its digits is 23328000, while the sum is 58.

The spelling of 5664151616665 in words is "five trillion, six hundred sixty-four billion, one hundred fifty-one million, six hundred sixteen thousand, six hundred sixty-five".