83160971801 has 2 divisors, whose sum is σ = 83160971802. Its totient is φ = 83160971800.

The previous prime is 83160971743. The next prime is 83160971837. The reversal of 83160971801 is 10817906138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73527745600 + 9633226201 = 271160^2 + 98149^2 .

It is a cyclic number.

It is not a de Polignac number, because 83160971801 - 2²² = 83156777497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83160979801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41580485900 + 41580485901.

It is an arithmetic number, because the mean of its divisors is an integer number (41580485901).

Almost surely, 2^83160971801 is an apocalyptic number.

It is an amenable number.

83160971801 is a deficient number, since it is larger than the sum of its proper divisors (1).

83160971801 is an equidigital number, since it uses as much as digits as its factorization.

83160971801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 83160971801 in words is "eighty-three billion, one hundred sixty million, nine hundred seventy-one thousand, eight hundred one".