1366486422 has 96 divisors (see below), whose sum is σ = 3424924800. Its totient is φ = 361210752.

The previous prime is 1366486411. The next prime is 1366486423. The reversal of 1366486422 is 2246846631.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366486423) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 237354 + ... + 243042.

It is an arithmetic number, because the mean of its divisors is an integer number (35676300).

Almost surely, 2^1366486422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366486422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712462400).

1366486422 is an abundant number, since it is smaller than the sum of its proper divisors (2058438378).

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

1366486422 is a wasteful number, since it uses less digits than its factorization.

1366486422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770 (or 5763 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 1366486422 is about 36966.0171238396. The cubic root of 1366486422 is about 1109.6902585153.

The spelling of 1366486422 in words is "one billion, three hundred sixty-six million, four hundred eighty-six thousand, four hundred twenty-two".