16997709824454 has 32 divisors (see below), whose sum is σ = 34127635760640. Its totient is φ = 5643875556000.

The previous prime is 16997709824437. The next prime is 16997709824477. The reversal of 16997709824454 is 45442890779961.

It is a congruent number.

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, 7178112 + ... + 9247740.

It is an arithmetic number, because the mean of its divisors is an integer number (1066488617520).

Almost surely, 2^{16997709824454} is an apocalyptic number.

16997709824454 is an abundant number, since it is smaller than the sum of its proper divisors (17129925936186).

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

16997709824454 is a wasteful number, since it uses less digits than its factorization.

16997709824454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074956.

The product of its (nonzero) digits is 1097349120, while the sum is 75.

The spelling of 16997709824454 in words is "sixteen trillion, nine hundred ninety-seven billion, seven hundred nine million, eight hundred twenty-four thousand, four hundred fifty-four".