186148068661 has 8 divisors (see below), whose sum is σ = 188936724320. Its totient is φ = 183359716848.

The previous prime is 186148068629. The next prime is 186148068703. The reversal of 186148068661 is 166860841681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 186148068661 - 2⁵ = 186148068629 is a prime.

It is a super-2 number, since 2×186148068661² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186148065661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360270 + ... + 1490848.

It is an arithmetic number, because the mean of its divisors is an integer number (23617090540).

Almost surely, 2^186148068661 is an apocalyptic number.

It is an amenable number.

186148068661 is a deficient number, since it is larger than the sum of its proper divisors (2788655659).

186148068661 is a wasteful number, since it uses less digits than its factorization.

186148068661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151923.

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 186148068661 in words is "one hundred eighty-six billion, one hundred forty-eight million, sixty-eight thousand, six hundred sixty-one".