667252048454 has 16 divisors (see below), whose sum is σ = 1089885380400. Its totient is φ = 305167905504.

The previous prime is 667252048453. The next prime is 667252048501. The reversal of 667252048454 is 454840252766.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 667252048396 and 667252048405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667252048451) 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, 302744837 + ... + 302747040.

It is an arithmetic number, because the mean of its divisors is an integer number (68117836275).

Almost surely, 2^667252048454 is an apocalyptic number.

667252048454 is a deficient number, since it is larger than the sum of its proper divisors (422633331946).

667252048454 is a wasteful number, since it uses less digits than its factorization.

667252048454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605491927.

The product of its (nonzero) digits is 12902400, while the sum is 53.

The spelling of 667252048454 in words is "six hundred sixty-seven billion, two hundred fifty-two million, forty-eight thousand, four hundred fifty-four".