1678748896652 has 48 divisors (see below), whose sum is σ = 3096935856000. Its totient is φ = 795016185600.

The previous prime is 1678748896651. The next prime is 1678748896661. The reversal of 1678748896652 is 2566988478761.

It is not an unprimeable number, because it can be changed into a prime (1678748896651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48853277 + ... + 48887627.

It is an arithmetic number, because the mean of its divisors is an integer number (64519497000).

Almost surely, 2^{1678748896652} is an apocalyptic number.

It is an amenable number.

1678748896652 is a deficient number, since it is larger than the sum of its proper divisors (1418186959348).

1678748896652 is a wasteful number, since it uses less digits than its factorization.

1678748896652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42386 (or 42384 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 77.

The spelling of 1678748896652 in words is "one trillion, six hundred seventy-eight billion, seven hundred forty-eight million, eight hundred ninety-six thousand, six hundred fifty-two".