1016801872 has 40 divisors (see below), whose sum is σ = 2081295360. Its totient is φ = 479888640.

The previous prime is 1016801867. The next prime is 1016801893. The reversal of 1016801872 is 2781086101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79473 + ... + 91375.

It is an arithmetic number, because the mean of its divisors is an integer number (52032384).

Almost surely, 2^1016801872 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 1016801872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040647680).

1016801872 is an abundant number, since it is smaller than the sum of its proper divisors (1064493488).

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

1016801872 is a wasteful number, since it uses less digits than its factorization.

1016801872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12211 (or 12205 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 1016801872 is about 31887.3309011588. The cubic root of 1016801872 is about 1005.5695465623.

Adding to 1016801872 its reverse (2781086101), we get a palindrome (3797887973).

The spelling of 1016801872 in words is "one billion, sixteen million, eight hundred one thousand, eight hundred seventy-two".