667233128070 has 48 divisors (see below), whose sum is σ = 1775150471952. Its totient is φ = 173790953280.

The previous prime is 667233128047. The next prime is 667233128099. The reversal of 667233128070 is 70821332766.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86201961 + ... + 86209700.

It is an arithmetic number, because the mean of its divisors is an integer number (36982301499).

Almost surely, 2^667233128070 is an apocalyptic number.

667233128070 is an abundant number, since it is smaller than the sum of its proper divisors (1107917343882).

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

667233128070 is a wasteful number, since it uses less digits than its factorization.

667233128070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172411717 (or 172411714 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 667233128070 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred twenty-eight thousand, seventy".