1016266290 has 128 divisors (see below), whose sum is σ = 2800707840. Its totient is φ = 235183104.

The previous prime is 1016266267. The next prime is 1016266297. The reversal of 1016266290 is 926626101.

It is not an unprimeable number, because it can be changed into a prime (1016266297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1120017 + ... + 1120923.

It is an arithmetic number, because the mean of its divisors is an integer number (21880530).

Almost surely, 2^1016266290 is an apocalyptic number.

1016266290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1016266290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400353920).

1016266290 is an abundant number, since it is smaller than the sum of its proper divisors (1784441550).

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

1016266290 is a wasteful number, since it uses less digits than its factorization.

1016266290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1016266290 is about 31878.9317575103. The cubic root of 1016266290 is about 1005.3929603622.

The spelling of 1016266290 in words is "one billion, sixteen million, two hundred sixty-six thousand, two hundred ninety".