1050991560 has 96 divisors (see below), whose sum is σ = 3419727480. Its totient is φ = 279936000.

The previous prime is 1050991511. The next prime is 1050991573. The reversal of 1050991560 is 651990501.

1050991560 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 9 + 91 + 560 = 666.

It is a Cunningham number, because it is equal to 32419²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 782097156 + 268894404 = 27966^2 + 16398^2 .

It is a super-2 number, since 2×1050991560² = 2209166518382467200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 582660 + ... + 584460.

Almost surely, 2^1050991560 is an apocalyptic number.

1050991560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050991560 is an abundant number, since it is smaller than the sum of its proper divisors (2368735920).

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

1050991560 is a wasteful number, since it uses less digits than its factorization.

1050991560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439 (or 3432 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 1050991560 is about 32418.9999845769. Note that the first 4 decimals coincide. The cubic root of 1050991560 is about 1016.7161983691.

The spelling of 1050991560 in words is "one billion, fifty million, nine hundred ninety-one thousand, five hundred sixty".