69980670166 has 12 divisors (see below), whose sum is σ = 115381353276. Its totient is φ = 31809395420.

The previous prime is 69980670121. The next prime is 69980670167. The reversal of 69980670166 is 66107608996.

It is a self number, because there is not a number n which added to its sum of digits gives 69980670166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69980670167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144587920 + ... + 144588403.

It is an arithmetic number, because the mean of its divisors is an integer number (9615112773).

Almost surely, 2^69980670166 is an apocalyptic number.

69980670166 is a deficient number, since it is larger than the sum of its proper divisors (45400683110).

69980670166 is a wasteful number, since it uses less digits than its factorization.

69980670166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289176347 (or 289176336 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 69980670166 in words is "sixty-nine billion, nine hundred eighty million, six hundred seventy thousand, one hundred sixty-six".