16020465061 has 4 divisors (see below), whose sum is σ = 16020758124. Its totient is φ = 16020172000.

The previous prime is 16020465053. The next prime is 16020465077. The reversal of 16020465061 is 16056402061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13277952900 + 2742512161 = 115230^2 + 52369^2 .

It is a cyclic number.

It is not a de Polignac number, because 16020465061 - 2³ = 16020465053 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16020465031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37480 + ... + 182881.

It is an arithmetic number, because the mean of its divisors is an integer number (4005189531).

Almost surely, 2^16020465061 is an apocalyptic number.

It is an amenable number.

16020465061 is a deficient number, since it is larger than the sum of its proper divisors (293063).

16020465061 is an equidigital number, since it uses as much as digits as its factorization.

16020465061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293062.

The product of its (nonzero) digits is 8640, while the sum is 31.

Subtracting 16020465061 from its reverse (16056402061), we obtain a cube (35937000 = 330³).

The spelling of 16020465061 in words is "sixteen billion, twenty million, four hundred sixty-five thousand, sixty-one".