71608434915 has 16 divisors (see below), whose sum is σ = 116023795200. Its totient is φ = 37707732192.

The previous prime is 71608434901. The next prime is 71608434923. The reversal of 71608434915 is 51943480617.

It is not a de Polignac number, because 71608434915 - 2⁵ = 71608434883 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30213345 + ... + 30215714.

It is an arithmetic number, because the mean of its divisors is an integer number (7251487200).

Almost surely, 2^71608434915 is an apocalyptic number.

71608434915 is a deficient number, since it is larger than the sum of its proper divisors (44415360285).

71608434915 is a wasteful number, since it uses less digits than its factorization.

71608434915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60429146.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 71608434915 in words is "seventy-one billion, six hundred eight million, four hundred thirty-four thousand, nine hundred fifteen".