667722250755106 has 32 divisors (see below), whose sum is σ = 1004919673605120. Its totient is φ = 332750786563536.

The previous prime is 667722250755097. The next prime is 667722250755107. The reversal of 667722250755106 is 601557052227766.

It is not an unprimeable number, because it can be changed into a prime (667722250755107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13031498235 + ... + 13031549473.

It is an arithmetic number, because the mean of its divisors is an integer number (31403739800160).

Almost surely, 2^{667722250755106} is an apocalyptic number.

667722250755106 is a deficient number, since it is larger than the sum of its proper divisors (337197422850014).

667722250755106 is a wasteful number, since it uses less digits than its factorization.

667722250755106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67998.

The product of its (nonzero) digits is 74088000, while the sum is 61.

The spelling of 667722250755106 in words is "six hundred sixty-seven trillion, seven hundred twenty-two billion, two hundred fifty million, seven hundred fifty-five thousand, one hundred six".