1051810218 has 32 divisors (see below), whose sum is σ = 2340889920. Its totient is φ = 350073360.

The previous prime is 1051810183. The next prime is 1051810223. The reversal of 1051810218 is 8120181501.

It is a super-2 number, since 2×1051810218² = 2212609469378415048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1051810191 and 1051810200.

It is an unprimeable number.

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, 22173 + ... + 50943.

It is an arithmetic number, because the mean of its divisors is an integer number (73152810).

Almost surely, 2^1051810218 is an apocalyptic number.

1051810218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1051810218 is an abundant number, since it is smaller than the sum of its proper divisors (1289079702).

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

1051810218 is a wasteful number, since it uses less digits than its factorization.

1051810218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29459 (or 29453 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 27.

The square root of 1051810218 is about 32431.6237336338. The cubic root of 1051810218 is about 1016.9801163871.

Adding to 1051810218 its reverse (8120181501), we get a palindrome (9171991719).

It can be divided in two parts, 10518 and 10218, that added together give a 4-th power (20736 = 12⁴).

The spelling of 1051810218 in words is "one billion, fifty-one million, eight hundred ten thousand, two hundred eighteen".