1813161470 has 16 divisors (see below), whose sum is σ = 3283716240. Its totient is φ = 720814464.

The previous prime is 1813161433. The next prime is 1813161479. The reversal of 1813161470 is 741613181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1813161479) 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 7 ways as a sum of consecutive naturals, for example, 554555 + ... + 557814.

It is an arithmetic number, because the mean of its divisors is an integer number (205232265).

Almost surely, 2^1813161470 is an apocalyptic number.

1813161470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1813161470 is a deficient number, since it is larger than the sum of its proper divisors (1470554770).

1813161470 is a wasteful number, since it uses less digits than its factorization.

1813161470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112539.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1813161470 is about 42581.2337773344. The cubic root of 1813161470 is about 1219.3980435392.

The spelling of 1813161470 in words is "one billion, eight hundred thirteen million, one hundred sixty-one thousand, four hundred seventy".