1146991803 has 16 divisors (see below), whose sum is σ = 1538933760. Its totient is φ = 759868704.

The previous prime is 1146991793. The next prime is 1146991837. The reversal of 1146991803 is 3081996411.

It is not a de Polignac number, because 1146991803 - 2⁴ = 1146991787 is a prime.

It is a super-2 number, since 2×1146991803² = 2631180392298381618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1146991873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489208 + ... + 491546.

It is an arithmetic number, because the mean of its divisors is an integer number (96183360).

Almost surely, 2^1146991803 is an apocalyptic number.

1146991803 is a deficient number, since it is larger than the sum of its proper divisors (391941957).

1146991803 is a wasteful number, since it uses less digits than its factorization.

1146991803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1146991803 is about 33867.2674274143. The cubic root of 1146991803 is about 1046.7752318295.

The spelling of 1146991803 in words is "one billion, one hundred forty-six million, nine hundred ninety-one thousand, eight hundred three".