1010801916 has 30 divisors (see below), whose sum is σ = 2642436720. Its totient is φ = 336933864.

The previous prime is 1010801867. The next prime is 1010801917. The reversal of 1010801916 is 6191080101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1010801916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010801917) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1559556 + ... + 1560203.

It is an arithmetic number, because the mean of its divisors is an integer number (88081224).

Almost surely, 2^1010801916 is an apocalyptic number.

It is an amenable number.

1010801916 is an abundant number, since it is smaller than the sum of its proper divisors (1631634804).

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

1010801916 is a wasteful number, since it uses less digits than its factorization.

1010801916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119775 (or 3119764 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 1010801916 is about 31793.1111406229. Note that the first 4 decimals coincide. The cubic root of 1010801916 is about 1003.5877513134.

The spelling of 1010801916 in words is "one billion, ten million, eight hundred one thousand, nine hundred sixteen".