1366624056 has 64 divisors (see below), whose sum is σ = 3908044800. Its totient is φ = 390123648.

The previous prime is 1366623997. The next prime is 1366624069. The reversal of 1366624056 is 6504266631.

It is a super-2 number, since 2×1366624056² = 3735322620875782272, which contains 22 as substring.

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, 238926 + ... + 244578.

It is an arithmetic number, because the mean of its divisors is an integer number (61063200).

Almost surely, 2^1366624056 is an apocalyptic number.

It is an amenable number.

1366624056 is an abundant number, since it is smaller than the sum of its proper divisors (2541420744).

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

1366624056 is a wasteful number, since it uses less digits than its factorization.

1366624056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7108 (or 7104 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 1366624056 is about 36967.8787057088. The cubic root of 1366624056 is about 1109.7275136682.

The spelling of 1366624056 in words is "one billion, three hundred sixty-six million, six hundred twenty-four thousand, fifty-six".