169722966 has 48 divisors (see below), whose sum is σ = 397488816. Its totient is φ = 48170304.

The previous prime is 169722961. The next prime is 169722977. The reversal of 169722966 is 669227961.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169722961) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 44320 + ... + 47996.

It is an arithmetic number, because the mean of its divisors is an integer number (8281017).

Almost surely, 2^169722966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169722966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198744408).

169722966 is an abundant number, since it is smaller than the sum of its proper divisors (227765850).

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

169722966 is a wasteful number, since it uses less digits than its factorization.

169722966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3846 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 169722966 is about 13027.7767097844. The cubic root of 169722966 is about 553.6647456594.

The spelling of 169722966 in words is "one hundred sixty-nine million, seven hundred twenty-two thousand, nine hundred sixty-six".