166311492 has 12 divisors (see below), whose sum is σ = 388060176. Its totient is φ = 55437160.

The previous prime is 166311473. The next prime is 166311517. The reversal of 166311492 is 294113661.

166311492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6929634 + ... + 6929657.

It is an arithmetic number, because the mean of its divisors is an integer number (32338348).

Almost surely, 2^166311492 is an apocalyptic number.

166311492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166311492 is an abundant number, since it is smaller than the sum of its proper divisors (221748684).

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

166311492 is a wasteful number, since it uses less digits than its factorization.

166311492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13859298 (or 13859296 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 166311492 is about 12896.1812952517. The cubic root of 166311492 is about 549.9300098266.

The spelling of 166311492 in words is "one hundred sixty-six million, three hundred eleven thousand, four hundred ninety-two".