5155105666 has 8 divisors (see below), whose sum is σ = 7739936064. Its totient is φ = 2575126980.

The previous prime is 5155105639. The next prime is 5155105673. The reversal of 5155105666 is 6665015515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5155105666² = 53150228855250607112, 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, 1210270 + ... + 1214521.

It is an arithmetic number, because the mean of its divisors is an integer number (967492008).

Almost surely, 2^5155105666 is an apocalyptic number.

5155105666 is a deficient number, since it is larger than the sum of its proper divisors (2584830398).

5155105666 is a wasteful number, since it uses less digits than its factorization.

5155105666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425856.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5155105666 is about 71799.0645203682. The cubic root of 5155105666 is about 1727.4779946975.

The spelling of 5155105666 in words is "five billion, one hundred fifty-five million, one hundred five thousand, six hundred sixty-six".