203164901616 has 80 divisors (see below), whose sum is σ = 547833507840. Its totient is φ = 64756919040.

The previous prime is 203164901609. The next prime is 203164901647. The reversal of 203164901616 is 616109461302.

203164901616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203164901616² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 3716530 + ... + 3770798.

It is an arithmetic number, because the mean of its divisors is an integer number (6847918848).

Almost surely, 2^203164901616 is an apocalyptic number.

It is an amenable number.

203164901616 is an abundant number, since it is smaller than the sum of its proper divisors (344668606224).

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

203164901616 is a wasteful number, since it uses less digits than its factorization.

203164901616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57694 (or 57688 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 203164901616 in words is "two hundred three billion, one hundred sixty-four million, nine hundred one thousand, six hundred sixteen".