16484539157 has 4 divisors (see below), whose sum is σ = 16485420396. Its totient is φ = 16483657920.

The previous prime is 16484539129. The next prime is 16484539163. The reversal of 16484539157 is 75193548461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7829772196 + 8654766961 = 88486^2 + 93031^2 .

It is a cyclic number.

It is not a de Polignac number, because 16484539157 - 2³² = 12189571861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16484539099 and 16484539108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16484539657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411938 + ... + 450179.

It is an arithmetic number, because the mean of its divisors is an integer number (4121355099).

Almost surely, 2^16484539157 is an apocalyptic number.

It is an amenable number.

16484539157 is a deficient number, since it is larger than the sum of its proper divisors (881239).

16484539157 is an equidigital number, since it uses as much as digits as its factorization.

16484539157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881238.

The product of its digits is 3628800, while the sum is 53.

The spelling of 16484539157 in words is "sixteen billion, four hundred eighty-four million, five hundred thirty-nine thousand, one hundred fifty-seven".