1366061371050 has 96 divisors (see below), whose sum is σ = 3458851155072. Its totient is φ = 356674855680.

The previous prime is 1366061371039. The next prime is 1366061371057. The reversal of 1366061371050 is 501731606631.

It is a happy number.

It is a super-2 number, since 2×1366061371050² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1366061371057) 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, 3695232 + ... + 4048068.

It is an arithmetic number, because the mean of its divisors is an integer number (36029699532).

Almost surely, 2^{1366061371050} is an apocalyptic number.

1366061371050 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 1366061371050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729425577536).

1366061371050 is an abundant number, since it is smaller than the sum of its proper divisors (2092789784022).

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

1366061371050 is a wasteful number, since it uses less digits than its factorization.

1366061371050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353392 (or 353387 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

Adding to 1366061371050 its reverse (501731606631), we get a palindrome (1867792977681).

The spelling of 1366061371050 in words is "one trillion, three hundred sixty-six billion, sixty-one million, three hundred seventy-one thousand, fifty".