6740407040667 has 16 divisors (see below), whose sum is σ = 9024661122048. Its totient is φ = 4474891251200.

The previous prime is 6740407040659. The next prime is 6740407040669. The reversal of 6740407040667 is 7660407040476.

It is a cyclic number.

It is not a de Polignac number, because 6740407040667 - 2³ = 6740407040659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6740407040669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620542 + ... + 3723692.

It is an arithmetic number, because the mean of its divisors is an integer number (564041320128).

Almost surely, 2^{6740407040667} is an apocalyptic number.

6740407040667 is a deficient number, since it is larger than the sum of its proper divisors (2284254081381).

6740407040667 is a wasteful number, since it uses less digits than its factorization.

6740407040667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106170.

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 6740407040667 in words is "six trillion, seven hundred forty billion, four hundred seven million, forty thousand, six hundred sixty-seven".