365055661 has 8 divisors (see below), whose sum is σ = 369619200. Its totient is φ = 360502560.

The previous prime is 365055629. The next prime is 365055667. The reversal of 365055661 is 166550563.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 365055661 - 2⁵ = 365055629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 365055661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365055667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86130 + ... + 90268.

It is an arithmetic number, because the mean of its divisors is an integer number (46202400).

Almost surely, 2^365055661 is an apocalyptic number.

It is an amenable number.

365055661 is a deficient number, since it is larger than the sum of its proper divisors (4563539).

365055661 is an equidigital number, since it uses as much as digits as its factorization.

365055661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 365055661 is about 19106.4298339590. The cubic root of 365055661 is about 714.6932754510.

The spelling of 365055661 in words is "three hundred sixty-five million, fifty-five thousand, six hundred sixty-one".