388607161 has 2 divisors, whose sum is σ = 388607162. Its totient is φ = 388607160.

The previous prime is 388607147. The next prime is 388607231. The reversal of 388607161 is 161706883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370331536 + 18275625 = 19244^2 + 4275^2 .

It is a cyclic number.

It is not a de Polignac number, because 388607161 - 2⁷ = 388607033 is a prime.

It is not a weakly prime, because it can be changed into another prime (388607101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194303580 + 194303581.

It is an arithmetic number, because the mean of its divisors is an integer number (194303581).

Almost surely, 2^388607161 is an apocalyptic number.

It is an amenable number.

388607161 is a deficient number, since it is larger than the sum of its proper divisors (1).

388607161 is an equidigital number, since it uses as much as digits as its factorization.

388607161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 388607161 is about 19713.1215437840. The cubic root of 388607161 is about 729.7435522553.

The spelling of 388607161 in words is "three hundred eighty-eight million, six hundred seven thousand, one hundred sixty-one".