16061642135647 has 2 divisors, whose sum is σ = 16061642135648. Its totient is φ = 16061642135646.

The previous prime is 16061642135603. The next prime is 16061642135723. The reversal of 16061642135647 is 74653124616061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16061642135647 - 2¹⁵ = 16061642102879 is a prime.

It is a super-2 number, since 2×16061642135647² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16061642135594 and 16061642135603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16061642135047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8030821067823 + 8030821067824.

It is an arithmetic number, because the mean of its divisors is an integer number (8030821067824).

Almost surely, 2^{16061642135647} is an apocalyptic number.

16061642135647 is a deficient number, since it is larger than the sum of its proper divisors (1).

16061642135647 is an equidigital number, since it uses as much as digits as its factorization.

16061642135647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 16061642135647 in words is "sixteen trillion, sixty-one billion, six hundred forty-two million, one hundred thirty-five thousand, six hundred forty-seven".