1316610612 has 60 divisors (see below), whose sum is σ = 3455190816. Its totient is φ = 437173200.

The previous prime is 1316610599. The next prime is 1316610623. The reversal of 1316610612 is 2160166131.

1316610612 is a `hidden beast` number, since 1 + 31 + 6 + 6 + 10 + 612 = 666.

1316610612 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1316610612³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77487 + ... + 92937.

Almost surely, 2^1316610612 is an apocalyptic number.

1316610612 is a gapful number since it is divisible by the number (12) 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 1316610612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727595408).

1316610612 is an abundant number, since it is smaller than the sum of its proper divisors (2138580204).

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

1316610612 is a wasteful number, since it uses less digits than its factorization.

1316610612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15730 (or 15719 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1316610612 is about 36285.1293507409. The cubic root of 1316610612 is about 1096.0216098977.

Adding to 1316610612 its reverse (2160166131), we get a palindrome (3476776743).

The spelling of 1316610612 in words is "one billion, three hundred sixteen million, six hundred ten thousand, six hundred twelve".