16506130453 has 4 divisors (see below), whose sum is σ = 16506387468. Its totient is φ = 16505873440.

The previous prime is 16506130441. The next prime is 16506130493. The reversal of 16506130453 is 35403160561.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35403160561 = 41 ⋅863491721.

It can be written as a sum of positive squares in 2 ways, for example, as 4583019204 + 11923111249 = 67698^2 + 109193^2 .

It is a cyclic number.

It is not a de Polignac number, because 16506130453 - 2¹³ = 16506122261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506130493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60033 + ... + 191353.

It is an arithmetic number, because the mean of its divisors is an integer number (4126596867).

Almost surely, 2^16506130453 is an apocalyptic number.

It is an amenable number.

16506130453 is a deficient number, since it is larger than the sum of its proper divisors (257015).

16506130453 is a wasteful number, since it uses less digits than its factorization.

16506130453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257014.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 16506130453 in words is "sixteen billion, five hundred six million, one hundred thirty thousand, four hundred fifty-three".