1672609475857 has 8 divisors (see below), whose sum is σ = 1681435497600. Its totient is φ = 1663787664000.

The previous prime is 1672609475851. The next prime is 1672609475869. The reversal of 1672609475857 is 7585749062761.

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

It is a cyclic number.

It is not a de Polignac number, because 1672609475857 - 2³¹ = 1670461992209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1672609475792 and 1672609475801.

It is not an unprimeable number, because it can be changed into a prime (1672609475851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254173 + ... + 1846570.

It is an arithmetic number, because the mean of its divisors is an integer number (210179437200).

Almost surely, 2^{1672609475857} is an apocalyptic number.

It is an amenable number.

1672609475857 is a deficient number, since it is larger than the sum of its proper divisors (8826021743).

1672609475857 is a wasteful number, since it uses less digits than its factorization.

1672609475857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104943.

The product of its (nonzero) digits is 177811200, while the sum is 67.

The spelling of 1672609475857 in words is "one trillion, six hundred seventy-two billion, six hundred nine million, four hundred seventy-five thousand, eight hundred fifty-seven".