1673074842648 has 64 divisors (see below), whose sum is σ = 4563119733120. Its totient is φ = 506971449600.

The previous prime is 1673074842643. The next prime is 1673074842671. The reversal of 1673074842648 is 8462484703761.

It is a junction number, because it is equal to n+sod(n) for n = 1673074842591 and 1673074842600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673074842643) 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, 7015203 + ... + 7249773.

It is an arithmetic number, because the mean of its divisors is an integer number (71298745830).

Almost surely, 2^{1673074842648} is an apocalyptic number.

It is an amenable number.

1673074842648 is an abundant number, since it is smaller than the sum of its proper divisors (2890044890472).

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

1673074842648 is a wasteful number, since it uses less digits than its factorization.

1673074842648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261608 (or 261604 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 60.

The spelling of 1673074842648 in words is "one trillion, six hundred seventy-three billion, seventy-four million, eight hundred forty-two thousand, six hundred forty-eight".