16946454860544 has 144 divisors (see below), whose sum is σ = 50346736159104. Its totient is φ = 5015863910400.

The previous prime is 16946454860509. The next prime is 16946454860551. The reversal of 16946454860544 is 44506845464961.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22961997 + ... + 23688524.

It is an arithmetic number, because the mean of its divisors is an integer number (349630112216).

Almost surely, 2^{16946454860544} is an apocalyptic number.

It is an amenable number.

16946454860544 is an abundant number, since it is smaller than the sum of its proper divisors (33400281298560).

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

16946454860544 is a wasteful number, since it uses less digits than its factorization.

16946454860544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46650594 (or 46650580 counting only the distinct ones).

The product of its (nonzero) digits is 398131200, while the sum is 66.

The spelling of 16946454860544 in words is "sixteen trillion, nine hundred forty-six billion, four hundred fifty-four million, eight hundred sixty thousand, five hundred forty-four".