360131661 has 12 divisors (see below), whose sum is σ = 530005788. Its totient is φ = 235557504.

The previous prime is 360131627. The next prime is 360131663. The reversal of 360131661 is 166131063.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126225225 + 233906436 = 11235^2 + 15294^2 .

It is not a de Polignac number, because 360131661 - 2²⁶ = 293022797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360131663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377020 + ... + 377973.

It is an arithmetic number, because the mean of its divisors is an integer number (44167149).

Almost surely, 2^360131661 is an apocalyptic number.

It is an amenable number.

360131661 is a deficient number, since it is larger than the sum of its proper divisors (169874127).

360131661 is a wasteful number, since it uses less digits than its factorization.

360131661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755052 (or 755049 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 360131661 is about 18977.1352158328. The cubic root of 360131661 is about 711.4653733148.

The spelling of 360131661 in words is "three hundred sixty million, one hundred thirty-one thousand, six hundred sixty-one".