1366056064 has 32 divisors (see below), whose sum is σ = 2727696240. Its totient is φ = 681457920.

The previous prime is 1366056061. The next prime is 1366056077. The reversal of 1366056064 is 4606506631.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1366056064² = 3732218339982344192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1366056061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44659 + ... + 68749.

Almost surely, 2^1366056064 is an apocalyptic number.

It is an amenable number.

1366056064 is a deficient number, since it is larger than the sum of its proper divisors (1361640176).

1366056064 is an equidigital number, since it uses as much as digits as its factorization.

1366056064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24548 (or 24536 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1366056064 is about 36960.1956704777. The cubic root of 1366056064 is about 1109.5737518757.

The spelling of 1366056064 in words is "one billion, three hundred sixty-six million, fifty-six thousand, sixty-four".