1316197632 has 144 divisors (see below), whose sum is σ = 3682143360. Its totient is φ = 416587776.

The previous prime is 1316197627. The next prime is 1316197657. The reversal of 1316197632 is 2367916131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4751478 + ... + 4751754.

It is an arithmetic number, because the mean of its divisors is an integer number (25570440).

Almost surely, 2^1316197632 is an apocalyptic number.

1316197632 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 1316197632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841071680).

1316197632 is an abundant number, since it is smaller than the sum of its proper divisors (2365945728).

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

1316197632 is a wasteful number, since it uses less digits than its factorization.

1316197632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 574 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 1316197632 is about 36279.4381433892. The cubic root of 1316197632 is about 1095.9070018948.

The spelling of 1316197632 in words is "one billion, three hundred sixteen million, one hundred ninety-seven thousand, six hundred thirty-two".