366846228820 has 12 divisors (see below), whose sum is σ = 770377080564. Its totient is φ = 146738491520.

The previous prime is 366846228799. The next prime is 366846228839. The reversal of 366846228820 is 28822648663.

It can be written as a sum of positive squares in 2 ways, for example, as 186197428036 + 180648800784 = 431506^2 + 425028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9171155701 + ... + 9171155740.

It is an arithmetic number, because the mean of its divisors is an integer number (64198090047).

Almost surely, 2^366846228820 is an apocalyptic number.

It is an amenable number.

366846228820 is an abundant number, since it is smaller than the sum of its proper divisors (403530851744).

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

366846228820 is a wasteful number, since it uses less digits than its factorization.

366846228820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18342311450 (or 18342311448 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 55.

The spelling of 366846228820 in words is "three hundred sixty-six billion, eight hundred forty-six million, two hundred twenty-eight thousand, eight hundred twenty".