129170340766 has 16 divisors (see below), whose sum is σ = 200064009600. Its totient is φ = 62483552640.

The previous prime is 129170340713. The next prime is 129170340823. The reversal of 129170340766 is 667043071921.

It is a super-2 number, since 2×129170340766² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88191 + ... + 515866.

It is an arithmetic number, because the mean of its divisors is an integer number (12504000600).

Almost surely, 2^129170340766 is an apocalyptic number.

129170340766 is a deficient number, since it is larger than the sum of its proper divisors (70893668834).

129170340766 is a wasteful number, since it uses less digits than its factorization.

129170340766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607539.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 129170340766 in words is "one hundred twenty-nine billion, one hundred seventy million, three hundred forty thousand, seven hundred sixty-six".