166970822 has 8 divisors (see below), whose sum is σ = 263638200. Its totient is φ = 79091424.

The previous prime is 166970807. The next prime is 166970827. The reversal of 166970822 is 228079661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 166970822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166970827) 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, 2196947 + ... + 2197022.

It is an arithmetic number, because the mean of its divisors is an integer number (32954775).

Almost surely, 2^166970822 is an apocalyptic number.

166970822 is a deficient number, since it is larger than the sum of its proper divisors (96667378).

166970822 is a wasteful number, since it uses less digits than its factorization.

166970822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393990.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 166970822 is about 12921.7190032905. The cubic root of 166970822 is about 550.6557709744.

The spelling of 166970822 in words is "one hundred sixty-six million, nine hundred seventy thousand, eight hundred twenty-two".