366121863 has 10 divisors (see below), whose sum is σ = 546922904. Its totient is φ = 244081188.

The previous prime is 366121853. The next prime is 366121867. The reversal of 366121863 is 368121663.

366121863 is a `hidden beast` number, since 36 + 612 + 1 + 8 + 6 + 3 = 666.

It is not a de Polignac number, because 366121863 - 2⁵ = 366121831 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 (366121867) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2259931 + ... + 2260092.

Almost surely, 2^366121863 is an apocalyptic number.

366121863 is a deficient number, since it is larger than the sum of its proper divisors (180801041).

366121863 is an equidigital number, since it uses as much as digits as its factorization.

366121863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520035 (or 4520026 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 366121863 is about 19134.3111451654. The cubic root of 366121863 is about 715.3883902226.

The spelling of 366121863 in words is "three hundred sixty-six million, one hundred twenty-one thousand, eight hundred sixty-three".