192066861 has 8 divisors (see below), whose sum is σ = 292673344. Its totient is φ = 109752480.

The previous prime is 192066841. The next prime is 192066871. The reversal of 192066861 is 168660291.

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

It is not a de Polignac number, because 192066861 - 2⁷ = 192066733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192066841) 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, 4573000 + ... + 4573041.

It is an arithmetic number, because the mean of its divisors is an integer number (36584168).

Almost surely, 2^192066861 is an apocalyptic number.

It is an amenable number.

192066861 is a deficient number, since it is larger than the sum of its proper divisors (100606483).

192066861 is an equidigital number, since it uses as much as digits as its factorization.

192066861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146051.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 192066861 is about 13858.8188890684. The cubic root of 192066861 is about 576.9667858016.

The spelling of 192066861 in words is "one hundred ninety-two million, sixty-six thousand, eight hundred sixty-one".