1813103670 has 32 divisors (see below), whose sum is σ = 4973084928. Its totient is φ = 414423648.

The previous prime is 1813103657. The next prime is 1813103717. The reversal of 1813103670 is 763013181.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4316704 + ... + 4317123.

It is an arithmetic number, because the mean of its divisors is an integer number (155408904).

Almost surely, 2^1813103670 is an apocalyptic number.

1813103670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1813103670 is an abundant number, since it is smaller than the sum of its proper divisors (3159981258).

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

1813103670 is a wasteful number, since it uses less digits than its factorization.

1813103670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8633844.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1813103670 is about 42580.5550691862. Note that the first 3 decimals coincide. The cubic root of 1813103670 is about 1219.3850860693.

The spelling of 1813103670 in words is "one billion, eight hundred thirteen million, one hundred three thousand, six hundred seventy".