166802449 has 8 divisors (see below), whose sum is σ = 182101248. Its totient is φ = 151526160.

The previous prime is 166802437. The next prime is 166802459. The reversal of 166802449 is 944208661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166802449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166802459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12399 + ... + 22075.

It is an arithmetic number, because the mean of its divisors is an integer number (22762656).

Almost surely, 2^166802449 is an apocalyptic number.

It is an amenable number.

166802449 is a deficient number, since it is larger than the sum of its proper divisors (15298799).

166802449 is a wasteful number, since it uses less digits than its factorization.

166802449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 166802449 is about 12915.2022438675. The cubic root of 166802449 is about 550.4706153782.

The spelling of 166802449 in words is "one hundred sixty-six million, eight hundred two thousand, four hundred forty-nine".