16253042352504 has 128 divisors (see below), whose sum is σ = 42100355404800. Its totient is φ = 5225495224320.

The previous prime is 16253042352413. The next prime is 16253042352529. The reversal of 16253042352504 is 40525324035261.

It is a super-2 number, since 2×16253042352504² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31345792 + ... + 31860080.

It is an arithmetic number, because the mean of its divisors is an integer number (328909026600).

Almost surely, 2^{16253042352504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16253042352504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21050177702400).

16253042352504 is an abundant number, since it is smaller than the sum of its proper divisors (25847313052296).

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

16253042352504 is a wasteful number, since it uses less digits than its factorization.

16253042352504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514725 (or 514721 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 16253042352504 its reverse (40525324035261), we get a palindrome (56778366387765).

The spelling of 16253042352504 in words is "sixteen trillion, two hundred fifty-three billion, forty-two million, three hundred fifty-two thousand, five hundred four".