361461564 has 18 divisors (see below), whose sum is σ = 913694600. Its totient is φ = 120487176.

The previous prime is 361461439. The next prime is 361461589. The reversal of 361461564 is 465164163.

It is a happy number.

361461564 is a `hidden beast` number, since 36 + 1 + 4 + 61 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10040599 = 361461564 / (3 + 6 + 1 + 4 + 6 + 1 + 5 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5020264 + ... + 5020335.

Almost surely, 2^361461564 is an apocalyptic number.

It is an amenable number.

361461564 is an abundant number, since it is smaller than the sum of its proper divisors (552233036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

361461564 is a wasteful number, since it uses less digits than its factorization.

361461564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10040609 (or 10040604 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 361461564 is about 19012.1425410184. The cubic root of 361461564 is about 712.3400697367.

The spelling of 361461564 in words is "three hundred sixty-one million, four hundred sixty-one thousand, five hundred sixty-four".