1068888309550 has 96 divisors (see below), whose sum is σ = 2161727354880. Its totient is φ = 391723516800.

The previous prime is 1068888309523. The next prime is 1068888309551. The reversal of 1068888309550 is 559038888601.

It is a super-2 number, since 2×1068888309550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068888309551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47020287 + ... + 47043013.

It is an arithmetic number, because the mean of its divisors is an integer number (22517993280).

Almost surely, 2^{1068888309550} is an apocalyptic number.

1068888309550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1068888309550 is an abundant number, since it is smaller than the sum of its proper divisors (1092839045330).

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

1068888309550 is a wasteful number, since it uses less digits than its factorization.

1068888309550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24386 (or 24381 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 61.

The spelling of 1068888309550 in words is "one trillion, sixty-eight billion, eight hundred eighty-eight million, three hundred nine thousand, five hundred fifty".