186985943948 has 12 divisors (see below), whose sum is σ = 329053478040. Its totient is φ = 92970664512.

The previous prime is 186985943899. The next prime is 186985944001. The reversal of 186985943948 is 849349589681.

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, 130576061 + ... + 130577492.

It is an arithmetic number, because the mean of its divisors is an integer number (27421123170).

Almost surely, 2^186985943948 is an apocalyptic number.

It is an amenable number.

186985943948 is a deficient number, since it is larger than the sum of its proper divisors (142067534092).

186985943948 is a wasteful number, since it uses less digits than its factorization.

186985943948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261153736 (or 261153734 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 74.

The spelling of 186985943948 in words is "one hundred eighty-six billion, nine hundred eighty-five million, nine hundred forty-three thousand, nine hundred forty-eight".