163240206051 has 24 divisors (see below), whose sum is σ = 235773701040. Its totient is φ = 100417314816.

The previous prime is 163240205941. The next prime is 163240206053. The reversal of 163240206051 is 150602042361.

It is not a de Polignac number, because 163240206051 - 2²⁷ = 163105988323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163240206053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1303455 + ... + 1423191.

It is an arithmetic number, because the mean of its divisors is an integer number (9823904210).

Almost surely, 2^163240206051 is an apocalyptic number.

163240206051 is a deficient number, since it is larger than the sum of its proper divisors (72533494989).

163240206051 is a wasteful number, since it uses less digits than its factorization.

163240206051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122455 (or 122442 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 163240206051 in words is "one hundred sixty-three billion, two hundred forty million, two hundred six thousand, fifty-one".