16001820079458 has 96 divisors (see below), whose sum is σ = 32977102786560. Its totient is φ = 5175291502080.

The previous prime is 16001820079417. The next prime is 16001820079633. The reversal of 16001820079458 is 85497002810061.

It is a self number, because there is not a number n which added to its sum of digits gives 16001820079458.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 717462735 + ... + 717485037.

It is an arithmetic number, because the mean of its divisors is an integer number (343511487360).

Almost surely, 2^{16001820079458} is an apocalyptic number.

16001820079458 is an abundant number, since it is smaller than the sum of its proper divisors (16975282707102).

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

16001820079458 is a wasteful number, since it uses less digits than its factorization.

16001820079458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22752 (or 22655 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 16001820079458 in words is "sixteen trillion, one billion, eight hundred twenty million, seventy-nine thousand, four hundred fifty-eight".