4945181166 has 16 divisors (see below), whose sum is σ = 10989291600. Its totient is φ = 1648393704.

The previous prime is 4945181147. The next prime is 4945181179. The reversal of 4945181166 is 6611815494.

It is a super-2 number, since 2×4945181166² = 48909633529122239112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45788661 + ... + 45788768.

It is an arithmetic number, because the mean of its divisors is an integer number (686830725).

Almost surely, 2^4945181166 is an apocalyptic number.

4945181166 is an abundant number, since it is smaller than the sum of its proper divisors (6044110434).

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

4945181166 is a wasteful number, since it uses less digits than its factorization.

4945181166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91577440 (or 91577434 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 4945181166 is about 70321.9820966389. The cubic root of 4945181166 is about 1703.7037088986.

The spelling of 4945181166 in words is "four billion, nine hundred forty-five million, one hundred eighty-one thousand, one hundred sixty-six".