1206144579664 has 40 divisors (see below), whose sum is σ = 2355196717088. Its totient is φ = 598363009920.

The previous prime is 1206144579659. The next prime is 1206144579683. The reversal of 1206144579664 is 4669754416021.

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, 1388359 + ... + 2083225.

Almost surely, 2^{1206144579664} is an apocalyptic number.

It is an amenable number.

1206144579664 is a deficient number, since it is larger than the sum of its proper divisors (1149052137424).

1206144579664 is a wasteful number, since it uses less digits than its factorization.

1206144579664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695723 (or 695717 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1206144579664 in words is "one trillion, two hundred six billion, one hundred forty-four million, five hundred seventy-nine thousand, six hundred sixty-four".