16667142452642 has 8 divisors (see below), whose sum is σ = 27273505831632. Its totient is φ = 7575973842100.

The previous prime is 16667142452621. The next prime is 16667142452651. The reversal of 16667142452642 is 24625424176661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16667142452642² (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 3 ways as a sum of consecutive naturals, for example, 378798692084 + ... + 378798692127.

It is an arithmetic number, because the mean of its divisors is an integer number (3409188228954).

Almost surely, 2^{16667142452642} is an apocalyptic number.

16667142452642 is a deficient number, since it is larger than the sum of its proper divisors (10606363378990).

16667142452642 is a wasteful number, since it uses less digits than its factorization.

16667142452642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757597384224.

The product of its digits is 23224320, while the sum is 56.

The spelling of 16667142452642 in words is "sixteen trillion, six hundred sixty-seven billion, one hundred forty-two million, four hundred fifty-two thousand, six hundred forty-two".