746185311666 has 12 divisors (see below), whose sum is σ = 1616734841982. Its totient is φ = 248728437216.

The previous prime is 746185311653. The next prime is 746185311671. The reversal of 746185311666 is 666113581647.

It is a happy number.

746185311666 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 648854415225 + 97330896441 = 805515^2 + 311979^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20727369751 + ... + 20727369786.

Almost surely, 2^746185311666 is an apocalyptic number.

746185311666 is an abundant number, since it is smaller than the sum of its proper divisors (870549530316).

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

746185311666 is a wasteful number, since it uses less digits than its factorization.

746185311666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41454739545 (or 41454739542 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 746185311666 in words is "seven hundred forty-six billion, one hundred eighty-five million, three hundred eleven thousand, six hundred sixty-six".