164054566423 has 6 divisors (see below), whose sum is σ = 180324440912. Its totient is φ = 149140514820.

The previous prime is 164054566409. The next prime is 164054566427. The reversal of 164054566423 is 324665450461.

It is not a de Polignac number, because 164054566423 - 2¹³ = 164054558231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164054566427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 677911311 + ... + 677911552.

Almost surely, 2^164054566423 is an apocalyptic number.

164054566423 is a deficient number, since it is larger than the sum of its proper divisors (16269874489).

164054566423 is a wasteful number, since it uses less digits than its factorization.

164054566423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355822885 (or 1355822874 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 164054566423 in words is "one hundred sixty-four billion, fifty-four million, five hundred sixty-six thousand, four hundred twenty-three".