667234748361 has 8 divisors (see below), whose sum is σ = 890222906560. Its totient is φ = 444534877872.

The previous prime is 667234748347. The next prime is 667234748407. The reversal of 667234748361 is 163847432766.

667234748361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 667234748361 - 2⁷ = 667234748233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667234748261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72066526 + ... + 72075783.

It is an arithmetic number, because the mean of its divisors is an integer number (111277863320).

Almost surely, 2^667234748361 is an apocalyptic number.

It is an amenable number.

667234748361 is a deficient number, since it is larger than the sum of its proper divisors (222988158199).

667234748361 is a wasteful number, since it uses less digits than its factorization.

667234748361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144143855.

The product of its digits is 24385536, while the sum is 57.

The spelling of 667234748361 in words is "six hundred sixty-seven billion, two hundred thirty-four million, seven hundred forty-eight thousand, three hundred sixty-one".