115564071646 has 8 divisors (see below), whose sum is σ = 176616788904. Its totient is φ = 56691808680.

The previous prime is 115564071631. The next prime is 115564071653. The reversal of 115564071646 is 646170465511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×115564071646² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115564071596 and 115564071605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545113440 + ... + 545113651.

It is an arithmetic number, because the mean of its divisors is an integer number (22077098613).

Almost surely, 2^115564071646 is an apocalyptic number.

115564071646 is a deficient number, since it is larger than the sum of its proper divisors (61052717258).

115564071646 is a wasteful number, since it uses less digits than its factorization.

115564071646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090227146.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 115564071646 in words is "one hundred fifteen billion, five hundred sixty-four million, seventy-one thousand, six hundred forty-six".