203144635613164 has 12 divisors (see below), whose sum is σ = 406289271226384. Its totient is φ = 87061986691344.

The previous prime is 203144635613147. The next prime is 203144635613201. The reversal of 203144635613164 is 461316536441302.

203144635613164 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3627582778779 + ... + 3627582778834.

Almost surely, 2^{203144635613164} is an apocalyptic number.

It is an amenable number.

203144635613164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

203144635613164 is a wasteful number, since it uses less digits than its factorization.

203144635613164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255165557624 (or 7255165557622 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 203144635613164 in words is "two hundred three trillion, one hundred forty-four billion, six hundred thirty-five million, six hundred thirteen thousand, one hundred sixty-four".