366245421696 has 640 divisors, whose sum is σ = 1366502290560. Its totient is φ = 94595973120.

The previous prime is 366245421667. The next prime is 366245421721. The reversal of 366245421696 is 696124542663.

366245421696 is a `hidden beast` number, since 3 + 6 + 6 + 2 + 4 + 542 + 1 + 6 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 154077660 + ... + 154080036.

It is an arithmetic number, because the mean of its divisors is an integer number (2135159829).

Almost surely, 2^366245421696 is an apocalyptic number.

366245421696 is a gapful number since it is divisible by the number (36) 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 366245421696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683251145280).

366245421696 is an abundant number, since it is smaller than the sum of its proper divisors (1000256868864).

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

366245421696 is a wasteful number, since it uses less digits than its factorization.

366245421696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614 (or 2593 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 366245421696 in words is "three hundred sixty-six billion, two hundred forty-five million, four hundred twenty-one thousand, six hundred ninety-six".