366694604640 has 1728 divisors, whose sum is σ = 1657519718400. Its totient is φ = 73617223680.

The previous prime is 366694604623. The next prime is 366694604651. The reversal of 366694604640 is 46406496663.

It is a congruent number.

It is an unprimeable number.

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 287 ways as a sum of consecutive naturals, for example, 1919866945 + ... + 1919867135.

It is an arithmetic number, because the mean of its divisors is an integer number (959212800).

Almost surely, 2^366694604640 is an apocalyptic number.

366694604640 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 366694604640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828759859200).

366694604640 is an abundant number, since it is smaller than the sum of its proper divisors (1290825113760).

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

366694604640 is a wasteful number, since it uses less digits than its factorization.

366694604640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 54.

The spelling of 366694604640 in words is "three hundred sixty-six billion, six hundred ninety-four million, six hundred four thousand, six hundred forty".