366198426720 has 864 divisors, whose sum is σ = 1497524910336. Its totient is φ = 81217382400.

The previous prime is 366198426709. The next prime is 366198426731. The reversal of 366198426720 is 27624891663.

366198426720 is a `hidden beast` number, since 3 + 6 + 6 + 198 + 426 + 7 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (366198426709) and next prime (366198426731).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 335653375 + ... + 335654465.

It is an arithmetic number, because the mean of its divisors is an integer number (1733246424).

Almost surely, 2^366198426720 is an apocalyptic number.

366198426720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366198426720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748762455168).

366198426720 is an abundant number, since it is smaller than the sum of its proper divisors (1131326483616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

366198426720 is a wasteful number, since it uses less digits than its factorization.

366198426720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 366198426720 in words is "three hundred sixty-six billion, one hundred ninety-eight million, four hundred twenty-six thousand, seven hundred twenty".