16441265151691 has 2 divisors, whose sum is σ = 16441265151692. Its totient is φ = 16441265151690.

The previous prime is 16441265151683. The next prime is 16441265151781. The reversal of 16441265151691 is 19615156214461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16441265151691 - 2³ = 16441265151683 is a prime.

It is a super-3 number, since 3×16441265151691³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16441265151391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220632575845 + 8220632575846.

It is an arithmetic number, because the mean of its divisors is an integer number (8220632575846).

Almost surely, 2^{16441265151691} is an apocalyptic number.

16441265151691 is a deficient number, since it is larger than the sum of its proper divisors (1).

16441265151691 is an equidigital number, since it uses as much as digits as its factorization.

16441265151691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 52.

The spelling of 16441265151691 in words is "sixteen trillion, four hundred forty-one billion, two hundred sixty-five million, one hundred fifty-one thousand, six hundred ninety-one".