16432523211671 has 16 divisors (see below), whose sum is σ = 19218709855488. Its totient is φ = 13756073486400.

The previous prime is 16432523211619. The next prime is 16432523211733. The reversal of 16432523211671 is 17611232523461.

It is a de Polignac number, because none of the positive numbers 2^k-16432523211671 is a prime.

It is a super-2 number, since 2×16432523211671² (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 (16432523216671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240611 + ... + 5737851.

It is an arithmetic number, because the mean of its divisors is an integer number (1201169365968).

Almost surely, 2^{16432523211671} is an apocalyptic number.

16432523211671 is a deficient number, since it is larger than the sum of its proper divisors (2786186643817).

16432523211671 is an equidigital number, since it uses as much as digits as its factorization.

16432523211671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507222.

The product of its digits is 362880, while the sum is 44.

The spelling of 16432523211671 in words is "sixteen trillion, four hundred thirty-two billion, five hundred twenty-three million, two hundred eleven thousand, six hundred seventy-one".