1901901316 has 72 divisors (see below), whose sum is σ = 4172103936. Its totient is φ = 740544000.

The previous prime is 1901901289. The next prime is 1901901437. The reversal of 1901901316 is 6131091091.

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, 397941 + ... + 402691.

It is an arithmetic number, because the mean of its divisors is an integer number (57945888).

Almost surely, 2^1901901316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1901901316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2086051968).

1901901316 is an abundant number, since it is smaller than the sum of its proper divisors (2270202620).

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

1901901316 is a wasteful number, since it uses less digits than its factorization.

1901901316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 1901901316 is about 43610.7935722339. The cubic root of 1901901316 is about 1238.9753319637.

The spelling of 1901901316 in words is "one billion, nine hundred one million, nine hundred one thousand, three hundred sixteen".