203640364664034 has 32 divisors (see below), whose sum is σ = 433136315532480. Its totient is φ = 63644519826432.

The previous prime is 203640364664027. The next prime is 203640364664123. The reversal of 203640364664034 is 430466463046302.

It is a happy number.

203640364664034 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9207818779 + ... + 9207840894.

It is an arithmetic number, because the mean of its divisors is an integer number (13535509860390).

Almost surely, 2^{203640364664034} is an apocalyptic number.

203640364664034 is an abundant number, since it is smaller than the sum of its proper divisors (229495950868446).

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

203640364664034 is a wasteful number, since it uses less digits than its factorization.

203640364664034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18415659794.

The product of its (nonzero) digits is 17915904, while the sum is 51.

The spelling of 203640364664034 in words is "two hundred three trillion, six hundred forty billion, three hundred sixty-four million, six hundred sixty-four thousand, thirty-four".