166231350 has 72 divisors (see below), whose sum is σ = 466054992. Its totient is φ = 42398400.

The previous prime is 166231319. The next prime is 166231357. The reversal of 166231350 is 53132661.

166231350 is a `hidden beast` number, since 1 + 6 + 623 + 1 + 35 + 0 = 666.

166231350 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166231357) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2320 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (6472986).

Almost surely, 2^166231350 is an apocalyptic number.

166231350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166231350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233027496).

166231350 is an abundant number, since it is smaller than the sum of its proper divisors (299823642).

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

166231350 is a wasteful number, since it uses less digits than its factorization.

166231350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16102 (or 16094 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 166231350 is about 12893.0737219641. The cubic root of 166231350 is about 549.8416624101.

The spelling of 166231350 in words is "one hundred sixty-six million, two hundred thirty-one thousand, three hundred fifty".