1316846520 has 384 divisors, whose sum is σ = 5111009280. Its totient is φ = 290304000.

The previous prime is 1316846501. The next prime is 1316846563. The reversal of 1316846520 is 256486131.

It is a happy number.

1316846520 is a `hidden beast` number, since 1 + 31 + 68 + 46 + 520 = 666.

It is a super-2 number, since 2×1316846520² = 3468169514472220800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2086605 + ... + 2087235.

It is an arithmetic number, because the mean of its divisors is an integer number (13309920).

Almost surely, 2^1316846520 is an apocalyptic number.

1316846520 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 1316846520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555504640).

1316846520 is an abundant number, since it is smaller than the sum of its proper divisors (3794162760).

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

1316846520 is a wasteful number, since it uses less digits than its factorization.

1316846520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1316846520 is about 36288.3799583283. The cubic root of 1316846520 is about 1096.0870670704.

The spelling of 1316846520 in words is "one billion, three hundred sixteen million, eight hundred forty-six thousand, five hundred twenty".