1731920016 has 40 divisors (see below), whose sum is σ = 4737312864. Its totient is φ = 543347200.

The previous prime is 1731920011. The next prime is 1731920089. The reversal of 1731920016 is 6100291371.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1731920011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060410 + ... + 1062041.

Almost surely, 2^1731920016 is an apocalyptic number.

1731920016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1731920016 is an abundant number, since it is smaller than the sum of its proper divisors (3005392848).

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

1731920016 is a wasteful number, since it uses less digits than its factorization.

1731920016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122479 (or 2122473 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1731920016 is about 41616.3431358403. The cubic root of 1731920016 is about 1200.9067258121.

The spelling of 1731920016 in words is "one billion, seven hundred thirty-one million, nine hundred twenty thousand, sixteen".