16771407061 has 4 divisors (see below), whose sum is σ = 17312420224. Its totient is φ = 16230393900.

The previous prime is 16771407047. The next prime is 16771407077. The reversal of 16771407061 is 16070417761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16771407061 - 2²⁷ = 16637189333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16771407011) 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, 270506535 + ... + 270506596.

It is an arithmetic number, because the mean of its divisors is an integer number (4328105056).

Almost surely, 2^16771407061 is an apocalyptic number.

It is an amenable number.

16771407061 is a deficient number, since it is larger than the sum of its proper divisors (541013163).

16771407061 is an equidigital number, since it uses as much as digits as its factorization.

16771407061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541013162.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 16771407061 in words is "sixteen billion, seven hundred seventy-one million, four hundred seven thousand, sixty-one".