2066862457 has 8 divisors (see below), whose sum is σ = 2262107232. Its totient is φ = 1872842400.

The previous prime is 2066862449. The next prime is 2066862461. The reversal of 2066862457 is 7542686602.

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

It is not a de Polignac number, because 2066862457 - 2³ = 2066862449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066862407) 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, 302644 + ... + 309397.

It is an arithmetic number, because the mean of its divisors is an integer number (282763404).

Almost surely, 2^2066862457 is an apocalyptic number.

It is an amenable number.

2066862457 is a deficient number, since it is larger than the sum of its proper divisors (195244775).

2066862457 is a wasteful number, since it uses less digits than its factorization.

2066862457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612359.

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 2066862457 is about 45462.7590121849. The cubic root of 2066862457 is about 1273.8076679969.

The spelling of 2066862457 in words is "two billion, sixty-six million, eight hundred sixty-two thousand, four hundred fifty-seven".