166364464444 has 6 divisors (see below), whose sum is σ = 291137812784. Its totient is φ = 83182232220.

The previous prime is 166364464429. The next prime is 166364464447. The reversal of 166364464444 is 444464463661.

It is a junction number, because it is equal to n+sod(n) for n = 166364464391 and 166364464400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166364464447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20795558052 + ... + 20795558059.

Almost surely, 2^166364464444 is an apocalyptic number.

It is an amenable number.

166364464444 is a deficient number, since it is larger than the sum of its proper divisors (124773348340).

166364464444 is a wasteful number, since it uses less digits than its factorization.

166364464444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41591116115 (or 41591116113 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 52.

The spelling of 166364464444 in words is "one hundred sixty-six billion, three hundred sixty-four million, four hundred sixty-four thousand, four hundred forty-four".