672518461612 has 12 divisors (see below), whose sum is σ = 1179265843000. Its totient is φ = 335585363616.

The previous prime is 672518461583. The next prime is 672518461631. The reversal of 672518461612 is 216164815276.

It is a super-2 number, since 2×672518461612² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168464553 + ... + 168468544.

Almost surely, 2^672518461612 is an apocalyptic number.

It is an amenable number.

672518461612 is a deficient number, since it is larger than the sum of its proper divisors (506747381388).

672518461612 is a wasteful number, since it uses less digits than its factorization.

672518461612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336933600 (or 336933598 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 672518461612 in words is "six hundred seventy-two billion, five hundred eighteen million, four hundred sixty-one thousand, six hundred twelve".