667520367346610 has 32 divisors (see below), whose sum is σ = 1201750427512512. Its totient is φ = 266960645265600.

The previous prime is 667520367346501. The next prime is 667520367346619. The reversal of 667520367346610 is 16643763025766.

It is not an unprimeable number, because it can be changed into a prime (667520367346619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3726846677 + ... + 3727025783.

It is an arithmetic number, because the mean of its divisors is an integer number (37554700859766).

Almost surely, 2^{667520367346610} is an apocalyptic number.

667520367346610 is a deficient number, since it is larger than the sum of its proper divisors (534230060165902).

667520367346610 is a wasteful number, since it uses less digits than its factorization.

667520367346610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243338.

The product of its (nonzero) digits is 137168640, while the sum is 62.

The spelling of 667520367346610 in words is "six hundred sixty-seven trillion, five hundred twenty billion, three hundred sixty-seven million, three hundred forty-six thousand, six hundred ten".