2066372686 has 8 divisors (see below), whose sum is σ = 3542353200. Its totient is φ = 885588288.

The previous prime is 2066372681. The next prime is 2066372689. The reversal of 2066372686 is 6862736602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066372681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73799011 + ... + 73799038.

It is an arithmetic number, because the mean of its divisors is an integer number (442794150).

Almost surely, 2^2066372686 is an apocalyptic number.

2066372686 is a deficient number, since it is larger than the sum of its proper divisors (1475980514).

2066372686 is a wasteful number, since it uses less digits than its factorization.

2066372686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147598058.

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 2066372686 is about 45457.3721853782. The cubic root of 2066372686 is about 1273.7070447328.

The spelling of 2066372686 in words is "two billion, sixty-six million, three hundred seventy-two thousand, six hundred eighty-six".