6365371245661 has 16 divisors (see below), whose sum is σ = 6413410136448. Its totient is φ = 6317457883200.

The previous prime is 6365371245647. The next prime is 6365371245683. The reversal of 6365371245661 is 1665421735636.

It is a cyclic number.

It is not a de Polignac number, because 6365371245661 - 2¹¹ = 6365371243613 is a prime.

It is a super-2 number, since 2×6365371245661² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6365371245601) 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, 329239351 + ... + 329258683.

It is an arithmetic number, because the mean of its divisors is an integer number (400838133528).

Almost surely, 2^{6365371245661} is an apocalyptic number.

It is an amenable number.

6365371245661 is a deficient number, since it is larger than the sum of its proper divisors (48038890787).

6365371245661 is a wasteful number, since it uses less digits than its factorization.

6365371245661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22452.

The product of its digits is 16329600, while the sum is 55.

The spelling of 6365371245661 in words is "six trillion, three hundred sixty-five billion, three hundred seventy-one million, two hundred forty-five thousand, six hundred sixty-one".