166001330 has 32 divisors (see below), whose sum is σ = 326980800. Its totient is φ = 60176320.

The previous prime is 166001317. The next prime is 166001359. The reversal of 166001330 is 33100661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35996 + ... + 40344.

It is an arithmetic number, because the mean of its divisors is an integer number (10218150).

Almost surely, 2^166001330 is an apocalyptic number.

166001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166001330 is a deficient number, since it is larger than the sum of its proper divisors (160979470).

166001330 is a wasteful number, since it uses less digits than its factorization.

166001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 166001330 is about 12884.1503406317. The cubic root of 166001330 is about 549.5879337767.

Adding to 166001330 its reverse (33100661), we get a palindrome (199101991).

The spelling of 166001330 in words is "one hundred sixty-six million, one thousand, three hundred thirty".