118806409190 has 32 divisors (see below), whose sum is σ = 244699562304. Its totient is φ = 40683991680.

The previous prime is 118806409171. The next prime is 118806409193. The reversal of 118806409190 is 91904608811.

It is a super-2 number, since 2×118806409190² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118806409193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976169 + ... + 1091108.

It is an arithmetic number, because the mean of its divisors is an integer number (7646861322).

Almost surely, 2^118806409190 is an apocalyptic number.

118806409190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118806409190 is an abundant number, since it is smaller than the sum of its proper divisors (125893153114).

118806409190 is a wasteful number, since it uses less digits than its factorization.

118806409190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068112.

The product of its (nonzero) digits is 124416, while the sum is 47.

The spelling of 118806409190 in words is "one hundred eighteen billion, eight hundred six million, four hundred nine thousand, one hundred ninety".