16525648833461 has 2 divisors, whose sum is σ = 16525648833462. Its totient is φ = 16525648833460.

The previous prime is 16525648833403. The next prime is 16525648833469. The reversal of 16525648833461 is 16433884652561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11973634566436 + 4552014267025 = 3460294^2 + 2133545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16525648833461 is a prime.

It is a super-2 number, since 2×16525648833461² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16525648833394 and 16525648833403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16525648833469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8262824416730 + 8262824416731.

It is an arithmetic number, because the mean of its divisors is an integer number (8262824416731).

Almost surely, 2^{16525648833461} is an apocalyptic number.

It is an amenable number.

16525648833461 is a deficient number, since it is larger than the sum of its proper divisors (1).

16525648833461 is an equidigital number, since it uses as much as digits as its factorization.

16525648833461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99532800, while the sum is 62.

The spelling of 16525648833461 in words is "sixteen trillion, five hundred twenty-five billion, six hundred forty-eight million, eight hundred thirty-three thousand, four hundred sixty-one".