186948647912 has 64 divisors (see below), whose sum is σ = 382944360960. Its totient is φ = 85045536000.

The previous prime is 186948647903. The next prime is 186948648017. The reversal of 186948647912 is 219746849681.

It is a super-2 number, since 2×186948647912² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2302487 + ... + 2382297.

It is an arithmetic number, because the mean of its divisors is an integer number (5983505640).

Almost surely, 2^186948647912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 186948647912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191472180480).

186948647912 is an abundant number, since it is smaller than the sum of its proper divisors (195995713048).

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

186948647912 is a wasteful number, since it uses less digits than its factorization.

186948647912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80154 (or 80150 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 65.

The spelling of 186948647912 in words is "one hundred eighty-six billion, nine hundred forty-eight million, six hundred forty-seven thousand, nine hundred twelve".