16454825472520 has 32 divisors (see below), whose sum is σ = 37058186531520. Its totient is φ = 6575738328000.

The previous prime is 16454825472487. The next prime is 16454825472551. The reversal of 16454825472520 is 2527452845461.

It is a super-2 number, since 2×16454825472520² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193452606 + ... + 193537645.

It is an arithmetic number, because the mean of its divisors is an integer number (1158068329110).

Almost surely, 2^{16454825472520} is an apocalyptic number.

16454825472520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16454825472520 is an abundant number, since it is smaller than the sum of its proper divisors (20603361059000).

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

16454825472520 is a wasteful number, since it uses less digits than its factorization.

16454825472520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386991325 (or 386991321 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 55.

The spelling of 16454825472520 in words is "sixteen trillion, four hundred fifty-four billion, eight hundred twenty-five million, four hundred seventy-two thousand, five hundred twenty".