16667671465612 has 48 divisors (see below), whose sum is σ = 30097572341760. Its totient is φ = 8071338038400.

The previous prime is 16667671465607. The next prime is 16667671465667. The reversal of 16667671465612 is 21656417676661.

It is a happy number.

16667671465612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16667671465612² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312529293 + ... + 312582619.

It is an arithmetic number, because the mean of its divisors is an integer number (627032757120).

Almost surely, 2^{16667671465612} is an apocalyptic number.

It is an amenable number.

16667671465612 is a deficient number, since it is larger than the sum of its proper divisors (13429900876148).

16667671465612 is a wasteful number, since it uses less digits than its factorization.

16667671465612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67222 (or 67220 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 64.

The spelling of 16667671465612 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred seventy-one million, four hundred sixty-five thousand, six hundred twelve".