7142165886 has 16 divisors (see below), whose sum is σ = 14285408400. Its totient is φ = 2380542528.

The previous prime is 7142165869. The next prime is 7142165903. The reversal of 7142165886 is 6885612417.

It is an interprime number because it is at equal distance from previous prime (7142165869) and next prime (7142165903).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60370 + ... + 133898.

It is an arithmetic number, because the mean of its divisors is an integer number (892838025).

Almost surely, 2^7142165886 is an apocalyptic number.

7142165886 is an abundant number, since it is smaller than the sum of its proper divisors (7143242514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7142165886 is a wasteful number, since it uses less digits than its factorization.

7142165886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89723.

The product of its digits is 645120, while the sum is 48.

The square root of 7142165886 is about 84511.3358431873. The cubic root of 7142165886 is about 1925.7946580036.

The spelling of 7142165886 in words is "seven billion, one hundred forty-two million, one hundred sixty-five thousand, eight hundred eighty-six".