118649666175 has 24 divisors (see below), whose sum is σ = 196249720464. Its totient is φ = 63253282560.

The previous prime is 118649666173. The next prime is 118649666183. The reversal of 118649666175 is 571666946811.

It is not a de Polignac number, because 118649666175 - 2¹ = 118649666173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118649666173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151072 + ... + 510021.

It is an arithmetic number, because the mean of its divisors is an integer number (8177071686).

Almost surely, 2^118649666175 is an apocalyptic number.

118649666175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118649666175 is a deficient number, since it is larger than the sum of its proper divisors (77600054289).

118649666175 is a wasteful number, since it uses less digits than its factorization.

118649666175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663499 (or 663494 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The spelling of 118649666175 in words is "one hundred eighteen billion, six hundred forty-nine million, six hundred sixty-six thousand, one hundred seventy-five".