144661216601 has 8 divisors (see below), whose sum is σ = 160789826304. Its totient is φ = 129028871920.

The previous prime is 144661216597. The next prime is 144661216619. The reversal of 144661216601 is 106612166441.

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 144661216601 - 2² = 144661216597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144661216631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124065641 + ... + 124066806.

It is an arithmetic number, because the mean of its divisors is an integer number (20098728288).

Almost surely, 2^144661216601 is an apocalyptic number.

144661216601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144661216601 is a deficient number, since it is larger than the sum of its proper divisors (16128609703).

144661216601 is a wasteful number, since it uses less digits than its factorization.

144661216601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248132511.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 144661216601 in words is "one hundred forty-four billion, six hundred sixty-one million, two hundred sixteen thousand, six hundred one".