44991166 has 8 divisors (see below), whose sum is σ = 73621944. Its totient is φ = 20450520.

The previous prime is 44991161. The next prime is 44991169. The reversal of 44991166 is 66119944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44991161) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022505 + ... + 1022548.

It is an arithmetic number, because the mean of its divisors is an integer number (9202743).

Almost surely, 2^44991166 is an apocalyptic number.

44991166 is a deficient number, since it is larger than the sum of its proper divisors (28630778).

44991166 is a wasteful number, since it uses less digits than its factorization.

44991166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045066.

The product of its digits is 46656, while the sum is 40.

The square root of 44991166 is about 6707.5454526973. The cubic root of 44991166 is about 355.6660536699. Note that the first 3 decimals are identical.

It can be divided in two parts, 4499 and 1166, that added together give a palindrome (5665).

The spelling of 44991166 in words is "forty-four million, nine hundred ninety-one thousand, one hundred sixty-six".