5135172166 has 4 divisors (see below), whose sum is σ = 7702758252. Its totient is φ = 2567586082.

The previous prime is 5135172137. The next prime is 5135172179. The reversal of 5135172166 is 6612715315.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5135172166² = 52739986348922263112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283793040 + ... + 1283793043.

It is an arithmetic number, because the mean of its divisors is an integer number (1925689563).

Almost surely, 2^5135172166 is an apocalyptic number.

5135172166 is a deficient number, since it is larger than the sum of its proper divisors (2567586086).

5135172166 is a wasteful number, since it uses less digits than its factorization.

5135172166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567586085.

The product of its digits is 37800, while the sum is 37.

The square root of 5135172166 is about 71660.1155874033. The cubic root of 5135172166 is about 1725.2485440094.

The spelling of 5135172166 in words is "five billion, one hundred thirty-five million, one hundred seventy-two thousand, one hundred sixty-six".