1090213163550 has 144 divisors (see below), whose sum is σ = 3351256077312. Its totient is φ = 248910004800.

The previous prime is 1090213163461. The next prime is 1090213163551. The reversal of 1090213163550 is 553613120901.

It is a happy number.

1090213163550 is a `hidden beast` number, since 1 + 0 + 9 + 0 + 2 + 13 + 1 + 635 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090213163551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2598955 + ... + 2989145.

It is an arithmetic number, because the mean of its divisors is an integer number (23272611648).

Almost surely, 2^{1090213163550} is an apocalyptic number.

1090213163550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090213163550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675628038656).

1090213163550 is an abundant number, since it is smaller than the sum of its proper divisors (2261042913762).

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

1090213163550 is a wasteful number, since it uses less digits than its factorization.

1090213163550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391103 (or 391095 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The spelling of 1090213163550 in words is "one trillion, ninety billion, two hundred thirteen million, one hundred sixty-three thousand, five hundred fifty".