6645360053117 has 8 divisors (see below), whose sum is σ = 6646998220032. Its totient is φ = 6643722067200.

The previous prime is 6645360053113. The next prime is 6645360053131. The reversal of 6645360053117 is 7113500635466.

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 6645360053117 - 2² = 6645360053113 is a prime.

It is a super-2 number, since 2×6645360053117² (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 (6645360053113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98013533 + ... + 98081309.

It is an arithmetic number, because the mean of its divisors is an integer number (830874777504).

Almost surely, 2^{6645360053117} is an apocalyptic number.

It is an amenable number.

6645360053117 is a deficient number, since it is larger than the sum of its proper divisors (1638166915).

6645360053117 is a wasteful number, since it uses less digits than its factorization.

6645360053117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90499.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 6645360053117 in words is "six trillion, six hundred forty-five billion, three hundred sixty million, fifty-three thousand, one hundred seventeen".