163380756568 has 16 divisors (see below), whose sum is σ = 316902330000. Its totient is φ = 78873468576.

The previous prime is 163380756559. The next prime is 163380756571. The reversal of 163380756568 is 865657083361.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352113468 + ... + 352113931.

It is an arithmetic number, because the mean of its divisors is an integer number (19806395625).

Almost surely, 2^163380756568 is an apocalyptic number.

It is an amenable number.

163380756568 is a deficient number, since it is larger than the sum of its proper divisors (153521573432).

163380756568 is a wasteful number, since it uses less digits than its factorization.

163380756568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704227434 (or 704227430 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 163380756568 in words is "one hundred sixty-three billion, three hundred eighty million, seven hundred fifty-six thousand, five hundred sixty-eight".