368613661 has 16 divisors (see below), whose sum is σ = 419126400. Its totient is φ = 321375168.

The previous prime is 368613629. The next prime is 368613691. The reversal of 368613661 is 166316863.

It is a cyclic number.

It is not a de Polignac number, because 368613661 - 2⁵ = 368613629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368613691) 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, 86595 + ... + 90751.

It is an arithmetic number, because the mean of its divisors is an integer number (26195400).

Almost surely, 2^368613661 is an apocalyptic number.

It is an amenable number.

368613661 is a deficient number, since it is larger than the sum of its proper divisors (50512739).

368613661 is a wasteful number, since it uses less digits than its factorization.

368613661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548.

The product of its digits is 93312, while the sum is 40.

The square root of 368613661 is about 19199.3140762893. The cubic root of 368613661 is about 717.0076821154.

The spelling of 368613661 in words is "three hundred sixty-eight million, six hundred thirteen thousand, six hundred sixty-one".