201129328466 has 32 divisors (see below), whose sum is σ = 335952354816. Its totient is φ = 89537616000.

The previous prime is 201129328459. The next prime is 201129328531. The reversal of 201129328466 is 664823921102.

201129328466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8930 + ... + 634301.

It is an arithmetic number, because the mean of its divisors is an integer number (10498511088).

Almost surely, 2^201129328466 is an apocalyptic number.

201129328466 is a deficient number, since it is larger than the sum of its proper divisors (134823026350).

201129328466 is a wasteful number, since it uses less digits than its factorization.

201129328466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643538.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 201129328466 in words is "two hundred one billion, one hundred twenty-nine million, three hundred twenty-eight thousand, four hundred sixty-six".