166849444 has 12 divisors (see below), whose sum is σ = 292759600. Its totient is φ = 83203848.

The previous prime is 166849433. The next prime is 166849447. The reversal of 166849444 is 444948661.

It is a super-3 number, since 3×166849444³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166849394 and 166849403.

It is not an unprimeable number, because it can be changed into a prime (166849447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53514 + ... + 56545.

Almost surely, 2^166849444 is an apocalyptic number.

It is an amenable number.

166849444 is a deficient number, since it is larger than the sum of its proper divisors (125910156).

166849444 is a wasteful number, since it uses less digits than its factorization.

166849444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110442 (or 110440 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 166849444 is about 12917.0214832987. The cubic root of 166849444 is about 550.5223071401.

The spelling of 166849444 in words is "one hundred sixty-six million, eight hundred forty-nine thousand, four hundred forty-four".