16442261601 has 16 divisors (see below), whose sum is σ = 22166664000. Its totient is φ = 10840327488.

The previous prime is 16442261599. The next prime is 16442261663. The reversal of 16442261601 is 10616224461.

It is not a de Polignac number, because 16442261601 - 2¹ = 16442261599 is a prime.

It is a super-3 number, since 3×16442261601³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442261681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22050 + ... + 182676.

It is an arithmetic number, because the mean of its divisors is an integer number (1385416500).

Almost surely, 2^16442261601 is an apocalyptic number.

It is an amenable number.

16442261601 is a deficient number, since it is larger than the sum of its proper divisors (5724402399).

16442261601 is a wasteful number, since it uses less digits than its factorization.

16442261601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161008.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 16442261601 in words is "sixteen billion, four hundred forty-two million, two hundred sixty-one thousand, six hundred one".