166235544 has 64 divisors (see below), whose sum is σ = 463644000. Its totient is φ = 55186560.

The previous prime is 166235539. The next prime is 166235557. The reversal of 166235544 is 445532661.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 166235499 and 166235508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56674 + ... + 59534.

Almost surely, 2^166235544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166235544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231822000).

166235544 is an abundant number, since it is smaller than the sum of its proper divisors (297408456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166235544 is a wasteful number, since it uses less digits than its factorization.

166235544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 3135 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 166235544 is about 12893.2363664054. The cubic root of 166235544 is about 549.8462865209.

The spelling of 166235544 in words is "one hundred sixty-six million, two hundred thirty-five thousand, five hundred forty-four".