166131346 has 8 divisors (see below), whose sum is σ = 260031744. Its totient is φ = 79454100.

The previous prime is 166131341. The next prime is 166131349. The reversal of 166131346 is 643131661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (166131341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805730 + ... + 1805821.

It is an arithmetic number, because the mean of its divisors is an integer number (32503968).

Almost surely, 2^166131346 is an apocalyptic number.

166131346 is a deficient number, since it is larger than the sum of its proper divisors (93900398).

166131346 is a wasteful number, since it uses less digits than its factorization.

166131346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611576.

The product of its digits is 7776, while the sum is 31.

The square root of 166131346 is about 12889.1949321903. The cubic root of 166131346 is about 549.7313795707.

The spelling of 166131346 in words is "one hundred sixty-six million, one hundred thirty-one thousand, three hundred forty-six".