16001720470 has 8 divisors (see below), whose sum is σ = 28803096864. Its totient is φ = 6400688184.

The previous prime is 16001720443. The next prime is 16001720513. The reversal of 16001720470 is 7402710061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800086014 + ... + 800086033.

It is an arithmetic number, because the mean of its divisors is an integer number (3600387108).

Almost surely, 2^16001720470 is an apocalyptic number.

16001720470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16001720470 is a deficient number, since it is larger than the sum of its proper divisors (12801376394).

16001720470 is a wasteful number, since it uses less digits than its factorization.

16001720470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600172054.

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 16001720470 in words is "sixteen billion, one million, seven hundred twenty thousand, four hundred seventy".