7185866012 has 12 divisors (see below), whose sum is σ = 13542593736. Its totient is φ = 3316553520.

The previous prime is 7185866003. The next prime is 7185866041. The reversal of 7185866012 is 2106685817.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69094814 + ... + 69094917.

It is an arithmetic number, because the mean of its divisors is an integer number (1128549478).

Almost surely, 2^7185866012 is an apocalyptic number.

It is an amenable number.

7185866012 is a deficient number, since it is larger than the sum of its proper divisors (6356727724).

7185866012 is a wasteful number, since it uses less digits than its factorization.

7185866012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138189748 (or 138189746 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 7185866012 is about 84769.4875058237. The cubic root of 7185866012 is about 1929.7144030496.

The spelling of 7185866012 in words is "seven billion, one hundred eighty-five million, eight hundred sixty-six thousand, twelve".