667407347014055 has 8 divisors (see below), whose sum is σ = 801357446512800. Its totient is φ = 533613457547296.

The previous prime is 667407347014039. The next prime is 667407347014123. The reversal of 667407347014055 is 550410743704766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667407347014055 - 2⁴ = 667407347014039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667407347013985 and 667407347014003.

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, 39052498595 + ... + 39052515684.

It is an arithmetic number, because the mean of its divisors is an integer number (100169680814100).

Almost surely, 2^{667407347014055} is an apocalyptic number.

667407347014055 is a deficient number, since it is larger than the sum of its proper divisors (133950099498745).

667407347014055 is a wasteful number, since it uses less digits than its factorization.

667407347014055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78105015993.

The product of its (nonzero) digits is 59270400, while the sum is 59.

The spelling of 667407347014055 in words is "six hundred sixty-seven trillion, four hundred seven billion, three hundred forty-seven million, fourteen thousand, fifty-five".