16667671442346 has 24 divisors (see below), whose sum is σ = 36115088184864. Its totient is φ = 5555613548520.

The previous prime is 16667671442333. The next prime is 16667671442347. The reversal of 16667671442346 is 64324417676661.

It is a super-2 number, since 2×16667671442346² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16667671442347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22706376 + ... + 23428931.

It is an arithmetic number, because the mean of its divisors is an integer number (1504795341036).

Almost surely, 2^{16667671442346} is an apocalyptic number.

16667671442346 is an abundant number, since it is smaller than the sum of its proper divisors (19447416742518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16667671442346 is a wasteful number, since it uses less digits than its factorization.

16667671442346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46155386 (or 46155383 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 63.

The spelling of 16667671442346 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred seventy-one million, four hundred forty-two thousand, three hundred forty-six".