16556132126711 has 8 divisors (see below), whose sum is σ = 17101819035648. Its totient is φ = 16011171351000.

The previous prime is 16556132126671. The next prime is 16556132126741. The reversal of 16556132126711 is 11762123165561.

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

It is a cyclic number.

It is not a de Polignac number, because 16556132126711 - 2⁶ = 16556132126647 is a prime.

It is a super-2 number, since 2×16556132126711² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16556132126741) 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, 181486955 + ... + 181578156.

It is an arithmetic number, because the mean of its divisors is an integer number (2137727379456).

Almost surely, 2^{16556132126711} is an apocalyptic number.

16556132126711 is a deficient number, since it is larger than the sum of its proper divisors (545686908937).

16556132126711 is a wasteful number, since it uses less digits than its factorization.

16556132126711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363066613.

The product of its digits is 453600, while the sum is 47.

The spelling of 16556132126711 in words is "sixteen trillion, five hundred fifty-six billion, one hundred thirty-two million, one hundred twenty-six thousand, seven hundred eleven".