16441348665 has 32 divisors (see below), whose sum is σ = 30091896576. Its totient is φ = 7509116160.

The previous prime is 16441348643. The next prime is 16441348667. The reversal of 16441348665 is 56684314461.

It is not a de Polignac number, because 16441348665 - 2⁵ = 16441348633 is a prime.

It is a super-3 number, since 3×16441348665³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16441348667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43135 + ... + 186395.

It is an arithmetic number, because the mean of its divisors is an integer number (940371768).

Almost surely, 2^16441348665 is an apocalyptic number.

16441348665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16441348665 is a deficient number, since it is larger than the sum of its proper divisors (13650547911).

16441348665 is a wasteful number, since it uses less digits than its factorization.

16441348665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144369.

The product of its digits is 1658880, while the sum is 48.

The spelling of 16441348665 in words is "sixteen billion, four hundred forty-one million, three hundred forty-eight thousand, six hundred sixty-five".