7129861466 has 16 divisors (see below), whose sum is σ = 13162821504. Its totient is φ = 2820604464.

The previous prime is 7129861441. The next prime is 7129861493. The reversal of 7129861466 is 6641689217.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19587350 + ... + 19587713.

It is an arithmetic number, because the mean of its divisors is an integer number (822676344).

Almost surely, 2^7129861466 is an apocalyptic number.

7129861466 is a deficient number, since it is larger than the sum of its proper divisors (6032960038).

7129861466 is a wasteful number, since it uses less digits than its factorization.

7129861466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39175085.

The product of its digits is 870912, while the sum is 50.

The square root of 7129861466 is about 84438.5070095392. The cubic root of 7129861466 is about 1924.6881119264.

The spelling of 7129861466 in words is "seven billion, one hundred twenty-nine million, eight hundred sixty-one thousand, four hundred sixty-six".