674663745601 has 16 divisors (see below), whose sum is σ = 690248617920. Its totient is φ = 659219267520.

The previous prime is 674663745593. The next prime is 674663745641. The reversal of 674663745601 is 106547366476.

It is a cyclic number.

It is not a de Polignac number, because 674663745601 - 2³ = 674663745593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674663745641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55244386 + ... + 55256596.

It is an arithmetic number, because the mean of its divisors is an integer number (43140538620).

Almost surely, 2^674663745601 is an apocalyptic number.

It is an amenable number.

674663745601 is a deficient number, since it is larger than the sum of its proper divisors (15584872319).

674663745601 is a wasteful number, since it uses less digits than its factorization.

674663745601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17856.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 674663745601 in words is "six hundred seventy-four billion, six hundred sixty-three million, seven hundred forty-five thousand, six hundred one".