642176424671246 has 8 divisors (see below), whose sum is σ = 963746510268000. Its totient is φ = 320927587915248.

The previous prime is 642176424671147. The next prime is 642176424671269.

It is a happy number.

642176424671246 is nontrivially palindromic in base 10.

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

It is a congruent number.

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, 80312205191 + ... + 80312213186.

It is an arithmetic number, because the mean of its divisors is an integer number (120468313783500).

Almost surely, 2^{642176424671246} is an apocalyptic number.

642176424671246 is a deficient number, since it is larger than the sum of its proper divisors (321570085596754).

642176424671246 is a wasteful number, since it uses less digits than its factorization.

642176424671246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160624420378.

The product of its digits is 130056192, while the sum is 62.

The spelling of 642176424671246 in words is "six hundred forty-two trillion, one hundred seventy-six billion, four hundred twenty-four million, six hundred seventy-one thousand, two hundred forty-six".