675510664 has 8 divisors (see below), whose sum is σ = 1266582510. Its totient is φ = 337755328.

The previous prime is 675510617. The next prime is 675510673. The reversal of 675510664 is 466015576.

It can be written as a sum of positive squares in only one way, i.e., 507600900 + 167909764 = 22530^2 + 12958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42219409 + ... + 42219424.

Almost surely, 2^675510664 is an apocalyptic number.

It is an amenable number.

675510664 is a deficient number, since it is larger than the sum of its proper divisors (591071846).

675510664 is a wasteful number, since it uses less digits than its factorization.

675510664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84438839 (or 84438835 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 675510664 is about 25990.5879887316. The cubic root of 675510664 is about 877.4264791231.

The spelling of 675510664 in words is "six hundred seventy-five million, five hundred ten thousand, six hundred sixty-four".