61271316167 has 4 divisors (see below), whose sum is σ = 61280650080. Its totient is φ = 61261982256.

The previous prime is 61271316151. The next prime is 61271316209. The reversal of 61271316167 is 76161317216.

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

It is a cyclic number.

It is not a de Polignac number, because 61271316167 - 2⁴ = 61271316151 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 (61271316107) 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, 4657103 + ... + 4670240.

It is an arithmetic number, because the mean of its divisors is an integer number (15320162520).

Almost surely, 2^61271316167 is an apocalyptic number.

61271316167 is a deficient number, since it is larger than the sum of its proper divisors (9333913).

61271316167 is an equidigital number, since it uses as much as digits as its factorization.

61271316167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333912.

The product of its digits is 63504, while the sum is 41.

The spelling of 61271316167 in words is "sixty-one billion, two hundred seventy-one million, three hundred sixteen thousand, one hundred sixty-seven".