366220645 has 16 divisors (see below), whose sum is σ = 503493120. Its totient is φ = 250498944.

The previous prime is 366220643. The next prime is 366220669. The reversal of 366220645 is 546022663.

It is a cyclic number.

It is not a de Polignac number, because 366220645 - 2¹ = 366220643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 366220645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366220643) 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, 1524 + ... + 27106.

It is an arithmetic number, because the mean of its divisors is an integer number (31468320).

Almost surely, 2^366220645 is an apocalyptic number.

366220645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

366220645 is a deficient number, since it is larger than the sum of its proper divisors (137272475).

366220645 is a wasteful number, since it uses less digits than its factorization.

366220645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26004.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 366220645 is about 19136.8922503107. The cubic root of 366220645 is about 715.4527232117.

The spelling of 366220645 in words is "three hundred sixty-six million, two hundred twenty thousand, six hundred forty-five".