16442108461 has 2 divisors, whose sum is σ = 16442108462. Its totient is φ = 16442108460.

The previous prime is 16442108443. The next prime is 16442108479. The reversal of 16442108461 is 16480124461.

It is a balanced prime because it is at equal distance from previous prime (16442108443) and next prime (16442108479).

It can be written as a sum of positive squares in only one way, i.e., 15687562500 + 754545961 = 125250^2 + 27469^2 .

It is a cyclic number.

It is not a de Polignac number, because 16442108461 - 2²¹ = 16440011309 is a prime.

It is a super-3 number, since 3×16442108461³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16442108461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16442108491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221054230 + 8221054231.

It is an arithmetic number, because the mean of its divisors is an integer number (8221054231).

Almost surely, 2^16442108461 is an apocalyptic number.

It is an amenable number.

16442108461 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442108461 is an equidigital number, since it uses as much as digits as its factorization.

16442108461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 16442108461 in words is "sixteen billion, four hundred forty-two million, one hundred eight thousand, four hundred sixty-one".