7129477660066 has 32 divisors (see below), whose sum is σ = 10998120591360. Its totient is φ = 3464127302400.

The previous prime is 7129477660051. The next prime is 7129477660079. The reversal of 7129477660066 is 6600667749217.

It is a super-2 number, since 2×7129477660066² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7129477659986 and 7129477660013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97940415 + ... + 98013181.

It is an arithmetic number, because the mean of its divisors is an integer number (343691268480).

Almost surely, 2^{7129477660066} is an apocalyptic number.

7129477660066 is a deficient number, since it is larger than the sum of its proper divisors (3868642931294).

7129477660066 is a wasteful number, since it uses less digits than its factorization.

7129477660066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77490.

The product of its (nonzero) digits is 32006016, while the sum is 61.

The spelling of 7129477660066 in words is "seven trillion, one hundred twenty-nine billion, four hundred seventy-seven million, six hundred sixty thousand, sixty-six".