166140336 has 20 divisors (see below), whose sum is σ = 429195992. Its totient is φ = 55380096.

The previous prime is 166140329. The next prime is 166140343. The reversal of 166140336 is 633041661.

166140336 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166140329) and next prime (166140343).

It is a super-2 number, since 2×166140336² = 55205222492385792, which contains 22 as substring.

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, 1730581 + ... + 1730676.

Almost surely, 2^166140336 is an apocalyptic number.

166140336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166140336 is an abundant number, since it is smaller than the sum of its proper divisors (263055656).

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

166140336 is a wasteful number, since it uses less digits than its factorization.

166140336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461268 (or 3461262 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 166140336 is about 12889.5436691917. The cubic root of 166140336 is about 549.7412954116.

Adding to 166140336 its reverse (633041661), we get a palindrome (799181997).

The spelling of 166140336 in words is "one hundred sixty-six million, one hundred forty thousand, three hundred thirty-six".