44666126613566 has 12 divisors (see below), whose sum is σ = 69230172314016. Its totient is φ = 21612641908860.

The previous prime is 44666126613557. The next prime is 44666126613599. The reversal of 44666126613566 is 66531662166644.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 44666126613499 and 44666126613508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11619698030 + ... + 11619701873.

It is an arithmetic number, because the mean of its divisors is an integer number (5769181026168).

Almost surely, 2^{44666126613566} is an apocalyptic number.

44666126613566 is a deficient number, since it is larger than the sum of its proper divisors (24564045700450).

44666126613566 is a wasteful number, since it uses less digits than its factorization.

44666126613566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23239399967 (or 23239399936 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 62.

The spelling of 44666126613566 in words is "forty-four trillion, six hundred sixty-six billion, one hundred twenty-six million, six hundred thirteen thousand, five hundred sixty-six".