7566172145 has 16 divisors (see below), whose sum is σ = 10572249600. Its totient is φ = 5090339904.

The previous prime is 7566172093. The next prime is 7566172147. The reversal of 7566172145 is 5412716657.

It is a cyclic number.

It is not a de Polignac number, because 7566172145 - 2²⁸ = 7297736689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7566172096 and 7566172105.

It is not an unprimeable number, because it can be changed into a prime (7566172147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037545 + ... + 2041254.

It is an arithmetic number, because the mean of its divisors is an integer number (660765600).

Almost surely, 2^7566172145 is an apocalyptic number.

It is an amenable number.

7566172145 is a deficient number, since it is larger than the sum of its proper divisors (3006077455).

7566172145 is a wasteful number, since it uses less digits than its factorization.

7566172145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078864.

The product of its digits is 352800, while the sum is 44.

The square root of 7566172145 is about 86983.7464415048. The cubic root of 7566172145 is about 1963.1737544646.

The spelling of 7566172145 in words is "seven billion, five hundred sixty-six million, one hundred seventy-two thousand, one hundred forty-five".