164937262739461 has 2 divisors, whose sum is σ = 164937262739462. Its totient is φ = 164937262739460.

The previous prime is 164937262739449. The next prime is 164937262739489.

164937262739461 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96050682297025 + 68886580442436 = 9800545^2 + 8299794^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 164937262739461 - 2²¹ = 164937260642309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164937262739401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82468631369730 + 82468631369731.

It is an arithmetic number, because the mean of its divisors is an integer number (82468631369731).

Almost surely, 2^{164937262739461} is an apocalyptic number.

It is an amenable number.

164937262739461 is a deficient number, since it is larger than the sum of its proper divisors (1).

164937262739461 is an equidigital number, since it uses as much as digits as its factorization.

164937262739461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493807104, while the sum is 70.

The spelling of 164937262739461 in words is "one hundred sixty-four trillion, nine hundred thirty-seven billion, two hundred sixty-two million, seven hundred thirty-nine thousand, four hundred sixty-one".