1631196160 has 132 divisors (see below), whose sum is σ = 4302654804. Its totient is φ = 592936960.

The previous prime is 1631196139. The next prime is 1631196167. The reversal of 1631196160 is 616911361.

It can be written as a sum of positive squares in 2 ways, for example, as 416813056 + 1214383104 = 20416^2 + 34848^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631196167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618204 + ... + 620836.

Almost surely, 2^1631196160 is an apocalyptic number.

1631196160 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 1631196160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151327402).

1631196160 is an abundant number, since it is smaller than the sum of its proper divisors (2671458644).

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

1631196160 is a wasteful number, since it uses less digits than its factorization.

1631196160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680 (or 2651 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 1631196160 is about 40388.0695255418. The cubic root of 1631196160 is about 1177.1597302655.

It can be divided in two parts, 1631 and 196160, that added together give a palindrome (197791).

The spelling of 1631196160 in words is "one billion, six hundred thirty-one million, one hundred ninety-six thousand, one hundred sixty".