7161845187 has 16 divisors (see below), whose sum is σ = 11555246592. Its totient is φ = 3851748480.

The previous prime is 7161845149. The next prime is 7161845203. The reversal of 7161845187 is 7815481617.

It is not a de Polignac number, because 7161845187 - 2¹⁵ = 7161812419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7161845107) 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, 10030239 + ... + 10030952.

It is an arithmetic number, because the mean of its divisors is an integer number (722202912).

Almost surely, 2^7161845187 is an apocalyptic number.

7161845187 is a deficient number, since it is larger than the sum of its proper divisors (4393401405).

7161845187 is a wasteful number, since it uses less digits than its factorization.

7161845187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20061218.

The product of its digits is 376320, while the sum is 48.

The square root of 7161845187 is about 84627.6857003664. The cubic root of 7161845187 is about 1927.5617941265.

The spelling of 7161845187 in words is "seven billion, one hundred sixty-one million, eight hundred forty-five thousand, one hundred eighty-seven".