164493383 has 2 divisors, whose sum is σ = 164493384. Its totient is φ = 164493382.

The previous prime is 164493359. The next prime is 164493389. The reversal of 164493383 is 383394461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164493383 - 2⁶ = 164493319 is a prime.

It is a super-5 number, since 5×164493383⁵ (a number of 42 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164493383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164493389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82246691 + 82246692.

It is an arithmetic number, because the mean of its divisors is an integer number (82246692).

Almost surely, 2^164493383 is an apocalyptic number.

164493383 is a deficient number, since it is larger than the sum of its proper divisors (1).

164493383 is an equidigital number, since it uses as much as digits as its factorization.

164493383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 164493383 is about 12825.4973782696. The cubic root of 164493383 is about 547.9187269583.

The spelling of 164493383 in words is "one hundred sixty-four million, four hundred ninety-three thousand, three hundred eighty-three".