181675940701 has 2 divisors, whose sum is σ = 181675940702. Its totient is φ = 181675940700.

The previous prime is 181675940653. The next prime is 181675940713. The reversal of 181675940701 is 107049576181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133484276025 + 48191664676 = 365355^2 + 219526^2 .

It is a cyclic number.

It is not a de Polignac number, because 181675940701 - 2²⁹ = 181139069789 is a prime.

It is a super-2 number, since 2×181675940701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181675940401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90837970350 + 90837970351.

It is an arithmetic number, because the mean of its divisors is an integer number (90837970351).

Almost surely, 2^181675940701 is an apocalyptic number.

It is an amenable number.

181675940701 is a deficient number, since it is larger than the sum of its proper divisors (1).

181675940701 is an equidigital number, since it uses as much as digits as its factorization.

181675940701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 181675940701 in words is "one hundred eighty-one billion, six hundred seventy-five million, nine hundred forty thousand, seven hundred one".