366640201 has 4 divisors (see below), whose sum is σ = 370270404. Its totient is φ = 363010000.

The previous prime is 366640159. The next prime is 366640223. The reversal of 366640201 is 102046663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 290532025 + 76108176 = 17045^2 + 8724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-366640201 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 366640201.

It is not an unprimeable number, because it can be changed into a prime (366640601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814950 + ... + 1815151.

It is an arithmetic number, because the mean of its divisors is an integer number (92567601).

Almost surely, 2^366640201 is an apocalyptic number.

It is an amenable number.

366640201 is a deficient number, since it is larger than the sum of its proper divisors (3630203).

366640201 is a wasteful number, since it uses less digits than its factorization.

366640201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630202.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 366640201 is about 19147.8510804738. The cubic root of 366640201 is about 715.7258353643.

Adding to 366640201 its reverse (102046663), we get a palindrome (468686864).

The spelling of 366640201 in words is "three hundred sixty-six million, six hundred forty thousand, two hundred one".