120516666 has 8 divisors (see below), whose sum is σ = 241033344. Its totient is φ = 40172220.

The previous prime is 120516661. The next prime is 120516667. The reversal of 120516666 is 666615021.

It is a sphenic number, since it is the product of 3 distinct primes.

120516666 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120516661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10043050 + ... + 10043061.

It is an arithmetic number, because the mean of its divisors is an integer number (30129168).

Almost surely, 2^120516666 is an apocalyptic number.

120516666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120516666 is a wasteful number, since it uses less digits than its factorization.

120516666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20086116.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 120516666 is about 10978.0082893028. The cubic root of 120516666 is about 493.9492946257.

It can be divided in two parts, 1205 and 16666, that added together give a palindrome (17871).

The spelling of 120516666 in words is "one hundred twenty million, five hundred sixteen thousand, six hundred sixty-six".