1081298416 has 20 divisors (see below), whose sum is σ = 2285472024. Its totient is φ = 491499200.

The previous prime is 1081298347. The next prime is 1081298423. The reversal of 1081298416 is 6148921801.

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, 3071695 + ... + 3072046.

Almost surely, 2^1081298416 is an apocalyptic number.

1081298416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1081298416 is an abundant number, since it is smaller than the sum of its proper divisors (1204173608).

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

1081298416 is a wasteful number, since it uses less digits than its factorization.

1081298416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143760 (or 6143754 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1081298416 is about 32883.1022867369. The cubic root of 1081298416 is about 1026.3965626288.

The spelling of 1081298416 in words is "one billion, eighty-one million, two hundred ninety-eight thousand, four hundred sixteen".