16064242461 has 10 divisors (see below), whose sum is σ = 23997201822. Its totient is φ = 10709494920.

The previous prime is 16064242433. The next prime is 16064242477. The reversal of 16064242461 is 16424246061.

16064242461 is a `hidden beast` number, since 1 + 6 + 0 + 642 + 4 + 2 + 4 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11876858361 + 4187384100 = 108981^2 + 64710^2 .

It is not a de Polignac number, because 16064242461 - 2¹⁹ = 16063718173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16064282461) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 99161910 + ... + 99162071.

Almost surely, 2^16064242461 is an apocalyptic number.

It is an amenable number.

16064242461 is a deficient number, since it is larger than the sum of its proper divisors (7932959361).

16064242461 is an equidigital number, since it uses as much as digits as its factorization.

16064242461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198323993 (or 198323984 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 16064242461 in words is "sixteen billion, sixty-four million, two hundred forty-two thousand, four hundred sixty-one".