1051718918 has 8 divisors (see below), whose sum is σ = 1578276840. Its totient is φ = 525626640.

The previous prime is 1051718917. The next prime is 1051718929. The reversal of 1051718918 is 8198171501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1051718918² = 2212225364958181448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051718917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110708 + ... + 119831.

It is an arithmetic number, because the mean of its divisors is an integer number (197284605).

Almost surely, 2^1051718918 is an apocalyptic number.

1051718918 is a deficient number, since it is larger than the sum of its proper divisors (526557922).

1051718918 is a wasteful number, since it uses less digits than its factorization.

1051718918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232822.

The product of its (nonzero) digits is 20160, while the sum is 41.

The square root of 1051718918 is about 32430.2161263227. The cubic root of 1051718918 is about 1016.9506899850.

The spelling of 1051718918 in words is "one billion, fifty-one million, seven hundred eighteen thousand, nine hundred eighteen".