44655201661 has 8 divisors (see below), whose sum is σ = 53253408384. Its totient is φ = 36611718000.

The previous prime is 44655201607. The next prime is 44655201667. The reversal of 44655201661 is 16610255644.

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

It is a cyclic number.

It is not a de Polignac number, because 44655201661 - 2¹¹ = 44655199613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44655201667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138680590 + ... + 138680911.

It is an arithmetic number, because the mean of its divisors is an integer number (6656676048).

Almost surely, 2^44655201661 is an apocalyptic number.

It is an amenable number.

44655201661 is a deficient number, since it is larger than the sum of its proper divisors (8598206723).

44655201661 is a wasteful number, since it uses less digits than its factorization.

44655201661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277361531.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 44655201661 in words is "forty-four billion, six hundred fifty-five million, two hundred one thousand, six hundred sixty-one".