201634436626 has 16 divisors (see below), whose sum is σ = 346749448896. Its totient is φ = 86142154896.

The previous prime is 201634436593. The next prime is 201634436681. The reversal of 201634436626 is 626634436102.

It is a happy number.

201634436626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 22712376 + ... + 22721251.

It is an arithmetic number, because the mean of its divisors is an integer number (21671840556).

Almost surely, 2^201634436626 is an apocalyptic number.

201634436626 is a deficient number, since it is larger than the sum of its proper divisors (145115012270).

201634436626 is a wasteful number, since it uses less digits than its factorization.

201634436626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45433953.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 201634436626 in words is "two hundred one billion, six hundred thirty-four million, four hundred thirty-six thousand, six hundred twenty-six".