667233125055 has 64 divisors (see below), whose sum is σ = 1402394803200. Its totient is φ = 294502884480.

The previous prime is 667233124981. The next prime is 667233125071. The reversal of 667233125055 is 550521332766.

667233125055 is a `hidden beast` number, since 6 + 67 + 2 + 331 + 250 + 5 + 5 = 666.

It is not a de Polignac number, because 667233125055 - 2¹³ = 667233116863 is a prime.

It is a super-2 number, since 2×667233125055² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 667233125055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12146161 + ... + 12200970.

It is an arithmetic number, because the mean of its divisors is an integer number (21912418800).

Almost surely, 2^667233125055 is an apocalyptic number.

667233125055 is an abundant number, since it is smaller than the sum of its proper divisors (735161678145).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667233125055 is a wasteful number, since it uses less digits than its factorization.

667233125055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24347181 (or 24347175 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 667233125055 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred twenty-five thousand, fifty-five".