57161342767 has 2 divisors, whose sum is σ = 57161342768. Its totient is φ = 57161342766.

The previous prime is 57161342761. The next prime is 57161342803. The reversal of 57161342767 is 76724316175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57161342767 - 2⁷ = 57161342639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57161342767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57161342761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28580671383 + 28580671384.

It is an arithmetic number, because the mean of its divisors is an integer number (28580671384).

Almost surely, 2^57161342767 is an apocalyptic number.

57161342767 is a deficient number, since it is larger than the sum of its proper divisors (1).

57161342767 is an equidigital number, since it uses as much as digits as its factorization.

57161342767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 49.

The spelling of 57161342767 in words is "fifty-seven billion, one hundred sixty-one million, three hundred forty-two thousand, seven hundred sixty-seven".