666448049034 has 48 divisors (see below), whose sum is σ = 1477652720544. Its totient is φ = 216968220000.

The previous prime is 666448049027. The next prime is 666448049039. The reversal of 666448049034 is 430940844666.

It is a happy number.

666448049034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×666448049034² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (666448049039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20495529 + ... + 20528019.

It is an arithmetic number, because the mean of its divisors is an integer number (30784431678).

Almost surely, 2^666448049034 is an apocalyptic number.

666448049034 is an abundant number, since it is smaller than the sum of its proper divisors (811204671510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666448049034 is a wasteful number, since it uses less digits than its factorization.

666448049034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59043 (or 59040 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 666448049034 in words is "six hundred sixty-six billion, four hundred forty-eight million, forty-nine thousand, thirty-four".