16442066113633 has 2 divisors, whose sum is σ = 16442066113634. Its totient is φ = 16442066113632.

The previous prime is 16442066113619. The next prime is 16442066113673. The reversal of 16442066113633 is 33631166024461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9666701793424 + 6775364320209 = 3109132^2 + 2602953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16442066113633 is a prime.

It is a super-3 number, since 3×16442066113633³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16442066113673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221033056816 + 8221033056817.

It is an arithmetic number, because the mean of its divisors is an integer number (8221033056817).

Almost surely, 2^{16442066113633} is an apocalyptic number.

It is an amenable number.

16442066113633 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442066113633 is an equidigital number, since it uses as much as digits as its factorization.

16442066113633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 16442066113633 in words is "sixteen trillion, four hundred forty-two billion, sixty-six million, one hundred thirteen thousand, six hundred thirty-three".