16671571055001 has 24 divisors (see below), whose sum is σ = 24090306240000. Its totient is φ = 11110159374912.

The previous prime is 16671571054997. The next prime is 16671571055077. The reversal of 16671571055001 is 10055017517661.

16671571055001 is a `hidden beast` number, since 1 + 6 + 6 + 71 + 5 + 71 + 0 + 5 + 500 + 1 = 666.

It is not a de Polignac number, because 16671571055001 - 2² = 16671571054997 is a prime.

It is a super-2 number, since 2×16671571055001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16671571054001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280830360 + ... + 280889718.

It is an arithmetic number, because the mean of its divisors is an integer number (1003762760000).

Almost surely, 2^{16671571055001} is an apocalyptic number.

It is an amenable number.

16671571055001 is a deficient number, since it is larger than the sum of its proper divisors (7418735184999).

16671571055001 is a wasteful number, since it uses less digits than its factorization.

16671571055001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70693 (or 70690 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 45.

The spelling of 16671571055001 in words is "sixteen trillion, six hundred seventy-one billion, five hundred seventy-one million, fifty-five thousand, one".