667502237406670 has 64 divisors (see below), whose sum is σ = 1275519855205440. Its totient is φ = 250635450304512.

The previous prime is 667502237406547. The next prime is 667502237406713. The reversal of 667502237406670 is 76604732205766.

It is a junction number, because it is equal to n+sod(n) for n = 667502237406599 and 667502237406608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1271880457 + ... + 1272405163.

It is an arithmetic number, because the mean of its divisors is an integer number (19929997737585).

Almost surely, 2^{667502237406670} is an apocalyptic number.

667502237406670 is a deficient number, since it is larger than the sum of its proper divisors (608017617798770).

667502237406670 is a wasteful number, since it uses less digits than its factorization.

667502237406670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544357.

The product of its (nonzero) digits is 106686720, while the sum is 61.

The spelling of 667502237406670 in words is "six hundred sixty-seven trillion, five hundred two billion, two hundred thirty-seven million, four hundred six thousand, six hundred seventy".