1206660619672 has 32 divisors (see below), whose sum is σ = 2267939520000. Its totient is φ = 601877111328.

The previous prime is 1206660619663. The next prime is 1206660619733. The reversal of 1206660619672 is 2769160666021.

It is a happy number.

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, 34185729 + ... + 34221007.

It is an arithmetic number, because the mean of its divisors is an integer number (70873110000).

Almost surely, 2^{1206660619672} is an apocalyptic number.

It is an amenable number.

1206660619672 is a deficient number, since it is larger than the sum of its proper divisors (1061278900328).

1206660619672 is a wasteful number, since it uses less digits than its factorization.

1206660619672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45463 (or 45459 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 1206660619672 in words is "one trillion, two hundred six billion, six hundred sixty million, six hundred nineteen thousand, six hundred seventy-two".