361666720851126 has 32 divisors (see below), whose sum is σ = 742251906633600. Its totient is φ = 117418380651264.

The previous prime is 361666720851089. The next prime is 361666720851179. The reversal of 361666720851126 is 621158027666163.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 361666720851126.

It is a congruent 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, 1985474076 + ... + 1985656223.

It is an arithmetic number, because the mean of its divisors is an integer number (23195372082300).

Almost surely, 2^{361666720851126} is an apocalyptic number.

361666720851126 is an abundant number, since it is smaller than the sum of its proper divisors (380585185782474).

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

361666720851126 is a wasteful number, since it uses less digits than its factorization.

361666720851126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971130700.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 361666720851126 in words is "three hundred sixty-one trillion, six hundred sixty-six billion, seven hundred twenty million, eight hundred fifty-one thousand, one hundred twenty-six".