213365190663 has 32 divisors (see below), whose sum is σ = 337291289600. Its totient is φ = 132910953408.

The previous prime is 213365190653. The next prime is 213365190667. The reversal of 213365190663 is 366091563312.

213365190663 is a `hidden beast` number, since 213 + 365 + 19 + 0 + 6 + 63 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-213365190663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213365190667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2811295 + ... + 2886192.

It is an arithmetic number, because the mean of its divisors is an integer number (10540352800).

Almost surely, 2^213365190663 is an apocalyptic number.

213365190663 is a deficient number, since it is larger than the sum of its proper divisors (123926098937).

213365190663 is a wasteful number, since it uses less digits than its factorization.

213365190663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697588 (or 5697582 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 213365190663 in words is "two hundred thirteen billion, three hundred sixty-five million, one hundred ninety thousand, six hundred sixty-three".