1666163030 has 48 divisors (see below), whose sum is σ = 3641059296. Its totient is φ = 537646080.

The previous prime is 1666163027. The next prime is 1666163041. The reversal of 1666163030 is 303616661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20951 + ... + 61410.

It is an arithmetic number, because the mean of its divisors is an integer number (75855402).

Almost surely, 2^1666163030 is an apocalyptic number.

1666163030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666163030 is an abundant number, since it is smaller than the sum of its proper divisors (1974896266).

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

1666163030 is a wasteful number, since it uses less digits than its factorization.

1666163030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82409 (or 82392 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1666163030 is about 40818.6603160858. The cubic root of 1666163030 is about 1185.5116640061.

Adding to 1666163030 its reverse (303616661), we get a palindrome (1969779691).

The spelling of 1666163030 in words is "one billion, six hundred sixty-six million, one hundred sixty-three thousand, thirty".