166734612 has 90 divisors (see below), whose sum is σ = 479217354. Its totient is φ = 50513760.

The previous prime is 166734611. The next prime is 166734629. The reversal of 166734612 is 216437661.

It is a happy number.

166734612 is a `hidden beast` number, since 1 + 6 + 6 + 7 + 34 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110124036 + 56610576 = 10494^2 + 7524^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166734611) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 37078 + ... + 41330.

Almost surely, 2^166734612 is an apocalyptic number.

166734612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166734612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239608677).

166734612 is an abundant number, since it is smaller than the sum of its proper divisors (312482742).

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

166734612 is a wasteful number, since it uses less digits than its factorization.

166734612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291 (or 4269 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 166734612 is about 12912.5757306589. The cubic root of 166734612 is about 550.3959815049.

The spelling of 166734612 in words is "one hundred sixty-six million, seven hundred thirty-four thousand, six hundred twelve".