1012002166 has 32 divisors (see below), whose sum is σ = 1760855040. Its totient is φ = 427242816.

The previous prime is 1012002157. The next prime is 1012002169. The reversal of 1012002166 is 6612002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012002169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681661 + ... + 683143.

It is an arithmetic number, because the mean of its divisors is an integer number (55026720).

Almost surely, 2^1012002166 is an apocalyptic number.

1012002166 is a deficient number, since it is larger than the sum of its proper divisors (748852874).

1012002166 is a wasteful number, since it uses less digits than its factorization.

1012002166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1012002166 is about 31811.9814849688. The cubic root of 1012002166 is about 1003.9848221014.

Adding to 1012002166 its reverse (6612002101), we get a palindrome (7624004267).

The spelling of 1012002166 in words is "one billion, twelve million, two thousand, one hundred sixty-six".