16273483718557 has 8 divisors (see below), whose sum is σ = 17525325550880. Its totient is φ = 15021646942320.

The previous prime is 16273483718509. The next prime is 16273483718563. The reversal of 16273483718557 is 75581738437261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16273483718557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16273483718492 and 16273483718501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273483718357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7860082 + ... + 9712252.

It is an arithmetic number, because the mean of its divisors is an integer number (2190665693860).

Almost surely, 2^{16273483718557} is an apocalyptic number.

It is an amenable number.

16273483718557 is a deficient number, since it is larger than the sum of its proper divisors (1251841832323).

16273483718557 is a wasteful number, since it uses less digits than its factorization.

16273483718557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528043.

The product of its digits is 237081600, while the sum is 67.

The spelling of 16273483718557 in words is "sixteen trillion, two hundred seventy-three billion, four hundred eighty-three million, seven hundred eighteen thousand, five hundred fifty-seven".