1083764816 has 20 divisors (see below), whose sum is σ = 2101806324. Its totient is φ = 541363200.

The previous prime is 1083764809. The next prime is 1083764827. The reversal of 1083764816 is 6184673801.

It can be written as a sum of positive squares in 2 ways, for example, as 707560000 + 376204816 = 26600^2 + 19396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14945 + ... + 48896.

Almost surely, 2^1083764816 is an apocalyptic number.

1083764816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1083764816 is a deficient number, since it is larger than the sum of its proper divisors (1018041508).

1083764816 is a wasteful number, since it uses less digits than its factorization.

1083764816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64910 (or 64904 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1083764816 is about 32920.5834699205. The cubic root of 1083764816 is about 1027.1763603625.

The spelling of 1083764816 in words is "one billion, eighty-three million, seven hundred sixty-four thousand, eight hundred sixteen".