118161066 has 32 divisors (see below), whose sum is σ = 240775488. Its totient is φ = 38649600.

The previous prime is 118161061. The next prime is 118161077. The reversal of 118161066 is 660161811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (118161061) 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, 160836 + ... + 161568.

It is an arithmetic number, because the mean of its divisors is an integer number (7524234).

Almost surely, 2^118161066 is an apocalyptic number.

118161066 is an abundant number, since it is smaller than the sum of its proper divisors (122614422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118161066 is a wasteful number, since it uses less digits than its factorization.

118161066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 118161066 is about 10870.1916266458. The cubic root of 118161066 is about 490.7098776491.

The spelling of 118161066 in words is "one hundred eighteen million, one hundred sixty-one thousand, sixty-six".