120611666 has 16 divisors (see below), whose sum is σ = 207147456. Its totient is φ = 51594576.

The previous prime is 120611657. The next prime is 120611671. The reversal of 120611666 is 666116021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (12946716).

Almost surely, 2^120611666 is an apocalyptic number.

120611666 is a deficient number, since it is larger than the sum of its proper divisors (86535790).

120611666 is a wasteful number, since it uses less digits than its factorization.

120611666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16033.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 120611666 is about 10982.3342691798. The cubic root of 120611666 is about 494.0790494555.

Adding to 120611666 its reverse (666116021), we get a palindrome (786727687).

The spelling of 120611666 in words is "one hundred twenty million, six hundred eleven thousand, six hundred sixty-six".