1631729869160 has 128 divisors (see below), whose sum is σ = 3863502558720. Its totient is φ = 619037033472.

The previous prime is 1631729869157. The next prime is 1631729869171. The reversal of 1631729869160 is 619689271361.

It is a self number, because there is not a number n which added to its sum of digits gives 1631729869160.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70330682 + ... + 70353878.

It is an arithmetic number, because the mean of its divisors is an integer number (30183613740).

Almost surely, 2^{1631729869160} is an apocalyptic number.

1631729869160 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 1631729869160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931751279360).

1631729869160 is an abundant number, since it is smaller than the sum of its proper divisors (2231772689560).

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

1631729869160 is a wasteful number, since it uses less digits than its factorization.

1631729869160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23875 (or 23871 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 1631729869160 in words is "one trillion, six hundred thirty-one billion, seven hundred twenty-nine million, eight hundred sixty-nine thousand, one hundred sixty".