6667040734015 has 4 divisors (see below), whose sum is σ = 8000448880824. Its totient is φ = 5333632587208.

The previous prime is 6667040734007. The next prime is 6667040734027. The reversal of 6667040734015 is 5104370407666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6667040734015 - 2³ = 6667040734007 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6667040734015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666704073397 + ... + 666704073406.

It is an arithmetic number, because the mean of its divisors is an integer number (2000112220206).

Almost surely, 2^{6667040734015} is an apocalyptic number.

6667040734015 is a deficient number, since it is larger than the sum of its proper divisors (1333408146809).

6667040734015 is a wasteful number, since it uses less digits than its factorization.

6667040734015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333408146808.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 6667040734015 in words is "six trillion, six hundred sixty-seven billion, forty million, seven hundred thirty-four thousand, fifteen".