1731791016 has 96 divisors (see below), whose sum is σ = 4923041760. Its totient is φ = 570255552.

The previous prime is 1731790997. The next prime is 1731791021. The reversal of 1731791016 is 6101971371.

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

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 23 ways as a sum of consecutive naturals, for example, 155986 + ... + 166718.

It is an arithmetic number, because the mean of its divisors is an integer number (51281685).

Almost surely, 2^1731791016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1731791016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461520880).

1731791016 is an abundant number, since it is smaller than the sum of its proper divisors (3191250744).

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

1731791016 is a wasteful number, since it uses less digits than its factorization.

1731791016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837 (or 10821 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 1731791016 is about 41614.7932350985. The cubic root of 1731791016 is about 1200.8769090360.

The spelling of 1731791016 in words is "one billion, seven hundred thirty-one million, seven hundred ninety-one thousand, sixteen".