2066906854 has 8 divisors (see below), whose sum is σ = 3100564368. Its totient is φ = 1033385400.

The previous prime is 2066906833. The next prime is 2066906867. The reversal of 2066906854 is 4586096602.

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

It is a super-2 number, since 2×2066906854² = 8544207886224354632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23239 + ... + 68365.

It is an arithmetic number, because the mean of its divisors is an integer number (387570546).

Almost surely, 2^2066906854 is an apocalyptic number.

2066906854 is a deficient number, since it is larger than the sum of its proper divisors (1033657514).

2066906854 is a wasteful number, since it uses less digits than its factorization.

2066906854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68030.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 2066906854 is about 45463.2472883317. The cubic root of 2066906854 is about 1273.8167885577.

The spelling of 2066906854 in words is "two billion, sixty-six million, nine hundred six thousand, eight hundred fifty-four".