2066654894 has 8 divisors (see below), whose sum is σ = 3100290600. Its totient is φ = 1033224696.

The previous prime is 2066654879. The next prime is 2066654921. The reversal of 2066654894 is 4984566602.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23129 + ... + 68324.

It is an arithmetic number, because the mean of its divisors is an integer number (387536325).

Almost surely, 2^2066654894 is an apocalyptic number.

2066654894 is a deficient number, since it is larger than the sum of its proper divisors (1033635706).

2066654894 is a wasteful number, since it uses less digits than its factorization.

2066654894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102754.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The square root of 2066654894 is about 45460.4761743649. The cubic root of 2066654894 is about 1273.7650261992.

The spelling of 2066654894 in words is "two billion, sixty-six million, six hundred fifty-four thousand, eight hundred ninety-four".