1081764416 has 28 divisors (see below), whose sum is σ = 2196553392. Its totient is φ = 528302208.

The previous prime is 1081764407. The next prime is 1081764433. The reversal of 1081764416 is 6144671801.

It is a self number, because there is not a number n which added to its sum of digits gives 1081764416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193790 + ... + 199293.

Almost surely, 2^1081764416 is an apocalyptic number.

1081764416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1081764416 is an abundant number, since it is smaller than the sum of its proper divisors (1114788976).

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

1081764416 is an equidigital number, since it uses as much as digits as its factorization.

1081764416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393138 (or 393128 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1081764416 is about 32890.1872296282. The cubic root of 1081764416 is about 1026.5439878901.

The spelling of 1081764416 in words is "one billion, eighty-one million, seven hundred sixty-four thousand, four hundred sixteen".