44161738197 has 12 divisors (see below), whose sum is σ = 60161797536. Its totient is φ = 28814746840.

The previous prime is 44161738193. The next prime is 44161738217. The reversal of 44161738197 is 79183716144.

44161738197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44161738197 - 2² = 44161738193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44161738193) 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, 3325329 + ... + 3338582.

It is an arithmetic number, because the mean of its divisors is an integer number (5013483128).

Almost surely, 2^44161738197 is an apocalyptic number.

44161738197 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

44161738197 is a deficient number, since it is larger than the sum of its proper divisors (16000059339).

44161738197 is an equidigital number, since it uses as much as digits as its factorization.

44161738197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664008 (or 6663961 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The spelling of 44161738197 in words is "forty-four billion, one hundred sixty-one million, seven hundred thirty-eight thousand, one hundred ninety-seven".