667407040005 has 32 divisors (see below), whose sum is σ = 1117823459328. Its totient is φ = 339616468800.

The previous prime is 667407039913. The next prime is 667407040007. The reversal of 667407040005 is 500040704766.

667407040005 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667407040005 - 2¹³ = 667407031813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667407040007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10074619 + ... + 10140648.

It is an arithmetic number, because the mean of its divisors is an integer number (34931983104).

Almost surely, 2^667407040005 is an apocalyptic number.

It is an amenable number.

667407040005 is a deficient number, since it is larger than the sum of its proper divisors (450416419323).

667407040005 is a wasteful number, since it uses less digits than its factorization.

667407040005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215377.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 667407040005 in words is "six hundred sixty-seven billion, four hundred seven million, forty thousand, five".