388785560163 has 144 divisors (see below), whose sum is σ = 717622069248. Its totient is φ = 185433494400.

The previous prime is 388785560147. The next prime is 388785560179. The reversal of 388785560163 is 361065587883.

It is an interprime number because it is at equal distance from previous prime (388785560147) and next prime (388785560179).

It is not a de Polignac number, because 388785560163 - 2⁴ = 388785560147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388785560097 and 388785560106.

It is not an unprimeable number, because it can be changed into a prime (388785560113) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 44160720 + ... + 44169522.

It is an arithmetic number, because the mean of its divisors is an integer number (4983486592).

Almost surely, 2^388785560163 is an apocalyptic number.

388785560163 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

388785560163 is a deficient number, since it is larger than the sum of its proper divisors (328836509085).

388785560163 is a wasteful number, since it uses less digits than its factorization.

388785560163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046 (or 9028 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 388785560163 in words is "three hundred eighty-eight billion, seven hundred eighty-five million, five hundred sixty thousand, one hundred sixty-three".