366661634020 has 48 divisors (see below), whose sum is σ = 841125499200. Its totient is φ = 133151022720.

The previous prime is 366661634011. The next prime is 366661634047. The reversal of 366661634020 is 20436166663.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965055 + ... + 1290214.

It is an arithmetic number, because the mean of its divisors is an integer number (17523447900).

Almost surely, 2^366661634020 is an apocalyptic number.

It is an amenable number.

366661634020 is an abundant number, since it is smaller than the sum of its proper divisors (474463865180).

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

366661634020 is a wasteful number, since it uses less digits than its factorization.

366661634020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256028 (or 2256026 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 366661634020 in words is "three hundred sixty-six billion, six hundred sixty-one million, six hundred thirty-four thousand, twenty".