366839886890 has 24 divisors (see below), whose sum is σ = 669481169868. Its totient is φ = 144725852160.

The previous prime is 366839886871. The next prime is 366839886899. The reversal of 366839886890 is 98688938663.

It can be written as a sum of positive squares in 6 ways, for example, as 136698054529 + 230141832361 = 369727^2 + 479731^2 .

It is a super-2 number, since 2×366839886890² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (366839886899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3388631 + ... + 3495210.

Almost surely, 2^366839886890 is an apocalyptic number.

366839886890 is a deficient number, since it is larger than the sum of its proper divisors (302641282978).

366839886890 is an equidigital number, since it uses as much as digits as its factorization.

366839886890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883994 (or 6883921 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 74.

The spelling of 366839886890 in words is "three hundred sixty-six billion, eight hundred thirty-nine million, eight hundred eighty-six thousand, eight hundred ninety".