675644161707616 has 24 divisors (see below), whose sum is σ = 1330175032457544. Its totient is φ = 337821931242240.

The previous prime is 675644161707601. The next prime is 675644161707643. The reversal of 675644161707616 is 616707161446576.

It is a super-2 number, since 2×675644161707616² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119219611 + ... + 124758181.

It is an arithmetic number, because the mean of its divisors is an integer number (55423959685731).

Almost surely, 2^{675644161707616} is an apocalyptic number.

It is an amenable number.

675644161707616 is a deficient number, since it is larger than the sum of its proper divisors (654530870749928).

675644161707616 is a wasteful number, since it uses less digits than its factorization.

675644161707616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350734 (or 9350726 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 67.

The spelling of 675644161707616 in words is "six hundred seventy-five trillion, six hundred forty-four billion, one hundred sixty-one million, seven hundred seven thousand, six hundred sixteen".