1678576948674 has 16 divisors (see below), whose sum is σ = 3357393366720. Its totient is φ = 559485738000.

The previous prime is 1678576948651. The next prime is 1678576948681. The reversal of 1678576948674 is 4768496758761.

It is a self number, because there is not a number n which added to its sum of digits gives 1678576948674.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9886702 + ... + 10055049.

It is an arithmetic number, because the mean of its divisors is an integer number (209837085420).

Almost surely, 2^{1678576948674} is an apocalyptic number.

1678576948674 is an abundant number, since it is smaller than the sum of its proper divisors (1678816418046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1678576948674 is a wasteful number, since it uses less digits than its factorization.

1678576948674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19955785.

The product of its digits is 3413975040, while the sum is 78.

The spelling of 1678576948674 in words is "one trillion, six hundred seventy-eight billion, five hundred seventy-six million, nine hundred forty-eight thousand, six hundred seventy-four".