666062842 has 24 divisors (see below), whose sum is σ = 1047160800. Its totient is φ = 317717400.

The previous prime is 666062827. The next prime is 666062849. The reversal of 666062842 is 248260666.

It is a junction number, because it is equal to n+sod(n) for n = 666062795 and 666062804.

It is not an unprimeable number, because it can be changed into a prime (666062849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633217 + ... + 634267.

It is an arithmetic number, because the mean of its divisors is an integer number (43631700).

Almost surely, 2^666062842 is an apocalyptic number.

666062842 is a deficient number, since it is larger than the sum of its proper divisors (381097958).

666062842 is a wasteful number, since it uses less digits than its factorization.

666062842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 666062842 is about 25808.1933114273. The cubic root of 666062842 is about 873.3166403520.

The spelling of 666062842 in words is "six hundred sixty-six million, sixty-two thousand, eight hundred forty-two".