71161404722 has 16 divisors (see below), whose sum is σ = 107159189760. Its totient is φ = 35441725392.

The previous prime is 71161404719. The next prime is 71161404739. The reversal of 71161404722 is 22740416117.

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, 4070933 + ... + 4088375.

It is an arithmetic number, because the mean of its divisors is an integer number (6697449360).

Almost surely, 2^71161404722 is an apocalyptic number.

71161404722 is a deficient number, since it is larger than the sum of its proper divisors (35997785038).

71161404722 is a wasteful number, since it uses less digits than its factorization.

71161404722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25297.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 71161404722 in words is "seventy-one billion, one hundred sixty-one million, four hundred four thousand, seven hundred twenty-two".