44195661 has 12 divisors (see below), whose sum is σ = 64920960. Its totient is φ = 28964040.

The previous prime is 44195647. The next prime is 44195687. The reversal of 44195661 is 16659144.

It is not a de Polignac number, because 44195661 - 2⁷ = 44195533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44195611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41085 + ... + 42146.

It is an arithmetic number, because the mean of its divisors is an integer number (5410080).

Almost surely, 2^44195661 is an apocalyptic number.

It is an amenable number.

44195661 is a deficient number, since it is larger than the sum of its proper divisors (20725299).

44195661 is a wasteful number, since it uses less digits than its factorization.

44195661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83296 (or 83293 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 44195661 is about 6647.9817238016. The cubic root of 44195661 is about 353.5573563510.

The spelling of 44195661 in words is "forty-four million, one hundred ninety-five thousand, six hundred sixty-one".