116638642576 has 15 divisors (see below), whose sum is σ = 225990016833. Its totient is φ = 58318638240.

The previous prime is 116638642529. The next prime is 116638642577. The reversal of 116638642576 is 675246836611.

It is a happy number.

The square root of 116638642576 is 341524.

It is a perfect power (a square), and thus also a powerful number.

116638642576 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9316882576 + 107321760000 = 96524^2 + 327600^2 .

It is a super-3 number, since 3×116638642576³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116638642577) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1323406 + ... + 1408786.

Almost surely, 2^116638642576 is an apocalyptic number.

116638642576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

116638642576 is the 341524-th square number.

It is an amenable number.

116638642576 is a deficient number, since it is larger than the sum of its proper divisors (109351374257).

116638642576 is an frugal number, since it uses more digits than its factorization.

116638642576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170770 (or 85383 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 116638642576 in words is "one hundred sixteen billion, six hundred thirty-eight million, six hundred forty-two thousand, five hundred seventy-six".