164010420281 has 2 divisors, whose sum is σ = 164010420282. Its totient is φ = 164010420280.

The previous prime is 164010420187. The next prime is 164010420341. The reversal of 164010420281 is 182024010461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116304871225 + 47705549056 = 341035^2 + 218416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164010420281 is a prime.

It is a super-2 number, since 2×164010420281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164010420181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82005210140 + 82005210141.

It is an arithmetic number, because the mean of its divisors is an integer number (82005210141).

Almost surely, 2^164010420281 is an apocalyptic number.

It is an amenable number.

164010420281 is a deficient number, since it is larger than the sum of its proper divisors (1).

164010420281 is an equidigital number, since it uses as much as digits as its factorization.

164010420281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 164010420281 in words is "one hundred sixty-four billion, ten million, four hundred twenty thousand, two hundred eighty-one".