166354452 has 96 divisors (see below), whose sum is σ = 498234240. Its totient is φ = 47439360.

The previous prime is 166354451. The next prime is 166354457. The reversal of 166354452 is 254453661.

166354452 is a `hidden beast` number, since 1 + 6 + 63 + 544 + 52 = 666.

166354452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (166354451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16078 + ... + 24314.

It is an arithmetic number, because the mean of its divisors is an integer number (5189940).

Almost surely, 2^166354452 is an apocalyptic number.

166354452 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 166354452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249117120).

166354452 is an abundant number, since it is smaller than the sum of its proper divisors (331879788).

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

166354452 is a wasteful number, since it uses less digits than its factorization.

166354452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278 (or 8270 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 166354452 is about 12897.8467970433. The cubic root of 166354452 is about 549.9773566435.

The spelling of 166354452 in words is "one hundred sixty-six million, three hundred fifty-four thousand, four hundred fifty-two".