166224016 has 20 divisors (see below), whose sum is σ = 368067712. Its totient is φ = 71238816.

The previous prime is 166223999. The next prime is 166224029. The reversal of 166224016 is 610422661.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741960 + ... + 742183.

Almost surely, 2^166224016 is an apocalyptic number.

166224016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166224016 is an abundant number, since it is smaller than the sum of its proper divisors (201843696).

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

166224016 is a wasteful number, since it uses less digits than its factorization.

166224016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484158 (or 1484152 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 166224016 is about 12892.7893025520. The cubic root of 166224016 is about 549.8335760933.

Adding to 166224016 its reverse (610422661), we get a palindrome (776646677).

The spelling of 166224016 in words is "one hundred sixty-six million, two hundred twenty-four thousand, sixteen".