3666801244458 has 64 divisors (see below), whose sum is σ = 8421940615680. Its totient is φ = 1052597851200.

The previous prime is 3666801244451. The next prime is 3666801244511. The reversal of 3666801244458 is 8544421086663.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 3666801244398 and 3666801244407.

It is not an unprimeable number, because it can be changed into a prime (3666801244451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19704288 + ... + 19889508.

It is an arithmetic number, because the mean of its divisors is an integer number (131592822120).

Almost surely, 2^{3666801244458} is an apocalyptic number.

3666801244458 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3666801244458 is an abundant number, since it is smaller than the sum of its proper divisors (4755139371222).

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

3666801244458 is a wasteful number, since it uses less digits than its factorization.

3666801244458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201043.

The product of its (nonzero) digits is 26542080, while the sum is 57.

The spelling of 3666801244458 in words is "three trillion, six hundred sixty-six billion, eight hundred one million, two hundred forty-four thousand, four hundred fifty-eight".