1316066256 has 120 divisors (see below), whose sum is σ = 3933099456. Its totient is φ = 409812480.

The previous prime is 1316066239. The next prime is 1316066273. The reversal of 1316066256 is 6526606131.

1316066256 is a `hidden beast` number, since 13 + 16 + 0 + 6 + 625 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1316066239) and next prime (1316066273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1316066256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137796 + ... + 147036.

Almost surely, 2^1316066256 is an apocalyptic number.

1316066256 is a gapful number since it is divisible by the number (16) 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 1316066256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1966549728).

1316066256 is an abundant number, since it is smaller than the sum of its proper divisors (2617033200).

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

1316066256 is a wasteful number, since it uses less digits than its factorization.

1316066256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321 (or 9312 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1316066256 is about 36277.6274858211. The cubic root of 1316066256 is about 1095.8705381031.

The spelling of 1316066256 in words is "one billion, three hundred sixteen million, sixty-six thousand, two hundred fifty-six".