672566666665276 has 24 divisors (see below), whose sum is σ = 1199225739653424. Its totient is φ = 329931023410560.

The previous prime is 672566666665253. The next prime is 672566666665301.

672566666665276 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×672566666665276² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 672566666665276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25738705 + ... + 44806408.

It is an arithmetic number, because the mean of its divisors is an integer number (49967739152226).

Almost surely, 2^{672566666665276} is an apocalyptic number.

It is an amenable number.

672566666665276 is a deficient number, since it is larger than the sum of its proper divisors (526659072988148).

672566666665276 is a wasteful number, since it uses less digits than its factorization.

672566666665276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70590141 (or 70590139 counting only the distinct ones).

The product of its digits is 49380710400, while the sum is 82.

The spelling of 672566666665276 in words is "six hundred seventy-two trillion, five hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-five thousand, two hundred seventy-six".