71161675057 has 24 divisors (see below), whose sum is σ = 80459850240. Its totient is φ = 62864709600.

The previous prime is 71161675037. The next prime is 71161675073. The reversal of 71161675057 is 75057616117.

It is not a de Polignac number, because 71161675057 - 2⁷ = 71161674929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71161674998 and 71161675016.

It is not an unprimeable number, because it can be changed into a prime (71161675037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554544 + ... + 670702.

It is an arithmetic number, because the mean of its divisors is an integer number (3352493760).

Almost surely, 2^71161675057 is an apocalyptic number.

It is an amenable number.

71161675057 is a deficient number, since it is larger than the sum of its proper divisors (9298175183).

71161675057 is a wasteful number, since it uses less digits than its factorization.

71161675057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116325 (or 116314 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 46.

The spelling of 71161675057 in words is "seventy-one billion, one hundred sixty-one million, six hundred seventy-five thousand, fifty-seven".