166496452 has 6 divisors (see below), whose sum is σ = 291368798. Its totient is φ = 83248224.

The previous prime is 166496437. The next prime is 166496461. The reversal of 166496452 is 254694661.

It can be written as a sum of positive squares in only one way, i.e., 164711556 + 1784896 = 12834^2 + 1336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166496399 and 166496408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20812053 + ... + 20812060.

Almost surely, 2^166496452 is an apocalyptic number.

It is an amenable number.

166496452 is a deficient number, since it is larger than the sum of its proper divisors (124872346).

166496452 is a wasteful number, since it uses less digits than its factorization.

166496452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41624117 (or 41624115 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 166496452 is about 12903.3504176241. The cubic root of 166496452 is about 550.1337988530.

The spelling of 166496452 in words is "one hundred sixty-six million, four hundred ninety-six thousand, four hundred fifty-two".