1083166491 has 16 divisors (see below), whose sum is σ = 1577600640. Its totient is φ = 655595520.

The previous prime is 1083166477. The next prime is 1083166499. The reversal of 1083166491 is 1946613801.

It is not a de Polignac number, because 1083166491 - 2¹⁰ = 1083165467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1083166499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4036 + ... + 46718.

It is an arithmetic number, because the mean of its divisors is an integer number (98600040).

Almost surely, 2^1083166491 is an apocalyptic number.

1083166491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1083166491 is a deficient number, since it is larger than the sum of its proper divisors (494434149).

1083166491 is a wasteful number, since it uses less digits than its factorization.

1083166491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43466.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1083166491 is about 32911.4948156415. The cubic root of 1083166491 is about 1026.9872976859.

The spelling of 1083166491 in words is "one billion, eighty-three million, one hundred sixty-six thousand, four hundred ninety-one".