166264212 has 48 divisors (see below), whose sum is σ = 409687040. Its totient is φ = 52335072.

The previous prime is 166264207. The next prime is 166264249. The reversal of 166264212 is 212462661.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 166264212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82683 + ... + 84669.

Almost surely, 2^166264212 is an apocalyptic number.

166264212 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 166264212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204843520).

166264212 is an abundant number, since it is smaller than the sum of its proper divisors (243422828).

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

166264212 is a wasteful number, since it uses less digits than its factorization.

166264212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2378 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 166264212 is about 12894.3480641714. The cubic root of 166264212 is about 549.8778924517.

The spelling of 166264212 in words is "one hundred sixty-six million, two hundred sixty-four thousand, two hundred twelve".