16667671771051 has 8 divisors (see below), whose sum is σ = 19064166913760. Its totient is φ = 14275026422208.

The previous prime is 16667671771001. The next prime is 16667671771063. The reversal of 16667671771051 is 15017717676661.

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 16667671771051 - 2¹⁵ = 16667671738283 is a prime.

It is a super-2 number, since 2×16667671771051² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16667671771001) 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, 962439186 + ... + 962456503.

It is an arithmetic number, because the mean of its divisors is an integer number (2383020864220).

Almost surely, 2^{16667671771051} is an apocalyptic number.

16667671771051 is a deficient number, since it is larger than the sum of its proper divisors (2396495142709).

16667671771051 is a wasteful number, since it uses less digits than its factorization.

16667671771051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924896933.

The product of its (nonzero) digits is 15558480, while the sum is 61.

The spelling of 16667671771051 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred seventy-one million, seven hundred seventy-one thousand, fifty-one".