201634928946 has 24 divisors (see below), whose sum is σ = 476591650704. Its totient is φ = 61101493560.

The previous prime is 201634928909. The next prime is 201634928959. The reversal of 201634928946 is 649829436102.

201634928946 is a `hidden beast` number, since 2 + 0 + 1 + 63 + 492 + 8 + 94 + 6 = 666.

201634928946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201634928892 and 201634928901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509178916 + ... + 509179311.

It is an arithmetic number, because the mean of its divisors is an integer number (19857985446).

Almost surely, 2^201634928946 is an apocalyptic number.

201634928946 is an abundant number, since it is smaller than the sum of its proper divisors (274956721758).

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

201634928946 is a wasteful number, since it uses less digits than its factorization.

201634928946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018358246 (or 1018358243 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 201634928946 in words is "two hundred one billion, six hundred thirty-four million, nine hundred twenty-eight thousand, nine hundred forty-six".