380165634563 has 16 divisors (see below), whose sum is σ = 450580638816. Its totient is φ = 316196912640.

The previous prime is 380165634551. The next prime is 380165634601. The reversal of 380165634563 is 365436561083.

It is a cyclic number.

It is not a de Polignac number, because 380165634563 - 2¹⁰ = 380165633539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380165634503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11747120 + ... + 11779437.

It is an arithmetic number, because the mean of its divisors is an integer number (28161289926).

Almost surely, 2^380165634563 is an apocalyptic number.

380165634563 is a deficient number, since it is larger than the sum of its proper divisors (70415004253).

380165634563 is a wasteful number, since it uses less digits than its factorization.

380165634563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23526694.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 380165634563 in words is "three hundred eighty billion, one hundred sixty-five million, six hundred thirty-four thousand, five hundred sixty-three".