5666172515 has 8 divisors (see below), whose sum is σ = 6823605888. Its totient is φ = 4516805440.

The previous prime is 5666172493. The next prime is 5666172517. The reversal of 5666172515 is 5152716665.

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

It is not a de Polignac number, because 5666172515 - 2²⁰ = 5665123939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666172517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015027 + ... + 2017836.

It is an arithmetic number, because the mean of its divisors is an integer number (852950736).

Almost surely, 2^5666172515 is an apocalyptic number.

5666172515 is a deficient number, since it is larger than the sum of its proper divisors (1157433373).

5666172515 is a wasteful number, since it uses less digits than its factorization.

5666172515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033149.

The product of its digits is 378000, while the sum is 44.

The square root of 5666172515 is about 75273.9829888123. The cubic root of 5666172515 is about 1782.7752561435.

The spelling of 5666172515 in words is "five billion, six hundred sixty-six million, one hundred seventy-two thousand, five hundred fifteen".