1051365918 has 32 divisors (see below), whose sum is σ = 2227889664. Its totient is φ = 329622912.

The previous prime is 1051365877. The next prime is 1051365919. The reversal of 1051365918 is 8195631501.

It is a super-2 number, since 2×1051365918² = 2210740587063965448, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051365919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231021 + ... + 235527.

It is an arithmetic number, because the mean of its divisors is an integer number (69621552).

Almost surely, 2^1051365918 is an apocalyptic number.

1051365918 is an abundant number, since it is smaller than the sum of its proper divisors (1176523746).

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

1051365918 is a wasteful number, since it uses less digits than its factorization.

1051365918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6816.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 1051365918 is about 32424.7732143187. The cubic root of 1051365918 is about 1016.8369004676.

The spelling of 1051365918 in words is "one billion, fifty-one million, three hundred sixty-five thousand, nine hundred eighteen".