71171036146 has 32 divisors (see below), whose sum is σ = 129449878272. Its totient is φ = 28648650240.

The previous prime is 71171036141. The next prime is 71171036201. The reversal of 71171036146 is 64163017117.

It is not an unprimeable number, because it can be changed into a prime (71171036141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191115 + ... + 422926.

It is an arithmetic number, because the mean of its divisors is an integer number (4045308696).

Almost surely, 2^71171036146 is an apocalyptic number.

71171036146 is a deficient number, since it is larger than the sum of its proper divisors (58278842126).

71171036146 is a wasteful number, since it uses less digits than its factorization.

71171036146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614554.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 71171036146 in words is "seventy-one billion, one hundred seventy-one million, thirty-six thousand, one hundred forty-six".