3667944459664 has 20 divisors (see below), whose sum is σ = 7116526477440. Its totient is φ = 1831421497760.

The previous prime is 3667944459653. The next prime is 3667944459689. The reversal of 3667944459664 is 4669544497663.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159408892 + ... + 159431899.

It is an arithmetic number, because the mean of its divisors is an integer number (355826323872).

Almost surely, 2^{3667944459664} is an apocalyptic number.

It is an amenable number.

3667944459664 is a deficient number, since it is larger than the sum of its proper divisors (3448582017776).

3667944459664 is a wasteful number, since it uses less digits than its factorization.

3667944459664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318841518 (or 318841512 counting only the distinct ones).

The product of its digits is 2821754880, while the sum is 73.

The spelling of 3667944459664 in words is "three trillion, six hundred sixty-seven billion, nine hundred forty-four million, four hundred fifty-nine thousand, six hundred sixty-four".