116006661555 has 32 divisors (see below), whose sum is σ = 189193936896. Its totient is φ = 60676796544.

The previous prime is 116006661521. The next prime is 116006661557. The reversal of 116006661555 is 555166600611.

It is not a de Polignac number, because 116006661555 - 2⁷ = 116006661427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116006661557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896174 + ... + 1956396.

It is an arithmetic number, because the mean of its divisors is an integer number (5912310528).

Almost surely, 2^116006661555 is an apocalyptic number.

116006661555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116006661555 is a deficient number, since it is larger than the sum of its proper divisors (73187275341).

116006661555 is a wasteful number, since it uses less digits than its factorization.

116006661555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62707.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 116006661555 in words is "one hundred sixteen billion, six million, six hundred sixty-one thousand, five hundred fifty-five".