16247530410021 has 24 divisors (see below), whose sum is σ = 23802459482880. Its totient is φ = 10678047191136.

The previous prime is 16247530409977. The next prime is 16247530410053. The reversal of 16247530410021 is 12001403574261.

16247530410021 is a `hidden beast` number, since 1 + 6 + 247 + 5 + 304 + 100 + 2 + 1 = 666.

It is not a de Polignac number, because 16247530410021 - 2¹⁴ = 16247530393637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16247530410421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17199690 + ... + 18119723.

It is an arithmetic number, because the mean of its divisors is an integer number (991769145120).

Almost surely, 2^{16247530410021} is an apocalyptic number.

It is an amenable number.

16247530410021 is a deficient number, since it is larger than the sum of its proper divisors (7554929072859).

16247530410021 is a wasteful number, since it uses less digits than its factorization.

16247530410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35320145 (or 35320142 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 16247530410021 its reverse (12001403574261), we get a palindrome (28248933984282).

The spelling of 16247530410021 in words is "sixteen trillion, two hundred forty-seven billion, five hundred thirty million, four hundred ten thousand, twenty-one".