1097816983 has 8 divisors (see below), whose sum is σ = 1101394656. Its totient is φ = 1094246400.

The previous prime is 1097816969. The next prime is 1097816987. The reversal of 1097816983 is 3896187901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1097816983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1097816983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097816987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526503 + ... + 528583.

It is an arithmetic number, because the mean of its divisors is an integer number (137674332).

Almost surely, 2^1097816983 is an apocalyptic number.

1097816983 is a deficient number, since it is larger than the sum of its proper divisors (3577673).

1097816983 is an equidigital number, since it uses as much as digits as its factorization.

1097816983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 1097816983 is about 33133.3213397027. The cubic root of 1097816983 is about 1031.5967889677.

The spelling of 1097816983 in words is "one billion, ninety-seven million, eight hundred sixteen thousand, nine hundred eighty-three".