388588910161 has 9 divisors (see below), whose sum is σ = 406233641289. Its totient is φ = 371680026036.

The previous prime is 388588910147. The next prime is 388588910189. The reversal of 388588910161 is 161019885883.

The square root of 388588910161 is 623369.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 388588910161 - 2⁷ = 388588910033 is a prime.

It is a super-2 number, since 2×388588910161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 388588910096 and 388588910105.

It is not an unprimeable number, because it can be changed into a prime (388588910131) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14323936 + ... + 14351038.

Almost surely, 2^388588910161 is an apocalyptic number.

388588910161 is the 623369-th square number.

388588910161 is the 311685-th centered octagonal number.

It is an amenable number.

388588910161 is a deficient number, since it is larger than the sum of its proper divisors (17644731128).

388588910161 is an frugal number, since it uses more digits than its factorization.

388588910161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54252 (or 27126 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 58.

The spelling of 388588910161 in words is "three hundred eighty-eight billion, five hundred eighty-eight million, nine hundred ten thousand, one hundred sixty-one".