1366251360 has 96 divisors (see below), whose sum is σ = 4341949920. Its totient is φ = 361095168.

The previous prime is 1366251353. The next prime is 1366251379. The reversal of 1366251360 is 631526631.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41646 + ... + 66834.

It is an arithmetic number, because the mean of its divisors is an integer number (45228645).

Almost surely, 2^1366251360 is an apocalyptic number.

1366251360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366251360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170974960).

1366251360 is an abundant number, since it is smaller than the sum of its proper divisors (2975698560).

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

1366251360 is a wasteful number, since it uses less digits than its factorization.

1366251360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25320 (or 25312 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1366251360 is about 36962.8375534130. The cubic root of 1366251360 is about 1109.6266254962.

Adding to 1366251360 its reverse (631526631), we get a palindrome (1997777991).

The spelling of 1366251360 in words is "one billion, three hundred sixty-six million, two hundred fifty-one thousand, three hundred sixty".