16977625856842 has 8 divisors (see below), whose sum is σ = 29104501468896. Its totient is φ = 7276125367212.

The previous prime is 16977625856809. The next prime is 16977625856969. The reversal of 16977625856842 is 24865852677961.

It is a happy number.

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

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, 606343780588 + ... + 606343780615.

It is an arithmetic number, because the mean of its divisors is an integer number (3638062683612).

Almost surely, 2^{16977625856842} is an apocalyptic number.

16977625856842 is a deficient number, since it is larger than the sum of its proper divisors (12126875612054).

16977625856842 is a wasteful number, since it uses less digits than its factorization.

16977625856842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212687561212.

The product of its digits is 2438553600, while the sum is 76.

The spelling of 16977625856842 in words is "sixteen trillion, nine hundred seventy-seven billion, six hundred twenty-five million, eight hundred fifty-six thousand, eight hundred forty-two".