1903664896 has 216 divisors, whose sum is σ = 4781488320. Its totient is φ = 751435776.

The previous prime is 1903664869. The next prime is 1903664921. The reversal of 1903664896 is 6984663091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16846536 + ... + 16846648.

It is an arithmetic number, because the mean of its divisors is an integer number (22136520).

Almost surely, 2^1903664896 is an apocalyptic number.

1903664896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1903664896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2390744160).

1903664896 is an abundant number, since it is smaller than the sum of its proper divisors (2877823424).

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

1903664896 is a wasteful number, since it uses less digits than its factorization.

1903664896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 1903664896 is about 43631.0084229095. The cubic root of 1903664896 is about 1239.3581694033.

The spelling of 1903664896 in words is "one billion, nine hundred three million, six hundred sixty-four thousand, eight hundred ninety-six".