164200541 has 2 divisors, whose sum is σ = 164200542. Its totient is φ = 164200540.

The previous prime is 164200537. The next prime is 164200549. The reversal of 164200541 is 145002461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159491641 + 4708900 = 12629^2 + 2170^2 .

It is an emirp because it is prime and its reverse (145002461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164200541 - 2² = 164200537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164200549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82100270 + 82100271.

It is an arithmetic number, because the mean of its divisors is an integer number (82100271).

Almost surely, 2^164200541 is an apocalyptic number.

It is an amenable number.

164200541 is a deficient number, since it is larger than the sum of its proper divisors (1).

164200541 is an equidigital number, since it uses as much as digits as its factorization.

164200541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 164200541 is about 12814.0758933292. The cubic root of 164200541 is about 547.5933867654.

The spelling of 164200541 in words is "one hundred sixty-four million, two hundred thousand, five hundred forty-one".