10553256618 has 16 divisors (see below), whose sum is σ = 21112539840. Its totient is φ = 3516747776.

The previous prime is 10553256601. The next prime is 10553256647. The reversal of 10553256618 is 81665235501.

It is a happy number.

10553256618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10553256618² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10553256618.

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 7 ways as a sum of consecutive naturals, for example, 228183 + ... + 270506.

It is an arithmetic number, because the mean of its divisors is an integer number (1319533740).

Almost surely, 2^10553256618 is an apocalyptic number.

10553256618 is an abundant number, since it is smaller than the sum of its proper divisors (10559283222).

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

10553256618 is a wasteful number, since it uses less digits than its factorization.

10553256618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502221.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 10553256618 in words is "ten billion, five hundred fifty-three million, two hundred fifty-six thousand, six hundred eighteen".