1083278016 has 224 divisors, whose sum is σ = 3325977600. Its totient is φ = 345461760.

The previous prime is 1083278011. The next prime is 1083278017. The reversal of 1083278016 is 6108723801.

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

It is not an unprimeable number, because it can be changed into a prime (1083278011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4532425 + ... + 4532663.

Almost surely, 2^1083278016 is an apocalyptic number.

1083278016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1083278016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662988800).

1083278016 is an abundant number, since it is smaller than the sum of its proper divisors (2242699584).

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

1083278016 is a wasteful number, since it uses less digits than its factorization.

1083278016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1083278016 is about 32913.1890888744. The cubic root of 1083278016 is about 1027.0225433687.

The spelling of 1083278016 in words is "one billion, eighty-three million, two hundred seventy-eight thousand, sixteen".