1355216886 has 16 divisors (see below), whose sum is σ = 3011593200. Its totient is φ = 451738944.

The previous prime is 1355216867. The next prime is 1355216887. The reversal of 1355216886 is 6886125531.

1355216886 is a `hidden beast` number, since 1 + 3 + 552 + 16 + 8 + 86 = 666.

It is a super-2 number, since 2×1355216886² = 3673225616199073992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355216887) 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 7 ways as a sum of consecutive naturals, for example, 12548251 + ... + 12548358.

It is an arithmetic number, because the mean of its divisors is an integer number (188224575).

Almost surely, 2^1355216886 is an apocalyptic number.

1355216886 is an abundant number, since it is smaller than the sum of its proper divisors (1656376314).

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

1355216886 is a wasteful number, since it uses less digits than its factorization.

1355216886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25096620 (or 25096614 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1355216886 is about 36813.2705148565. The cubic root of 1355216886 is about 1106.6312620929.

The spelling of 1355216886 in words is "one billion, three hundred fifty-five million, two hundred sixteen thousand, eight hundred eighty-six".