60120666 has 24 divisors (see below), whose sum is σ = 135925920. Its totient is φ = 19168776.

The previous prime is 60120649. The next prime is 60120667. The reversal of 60120666 is 66602106.

It is a super-2 number, since 2×60120666² = 7228988960567112, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60120667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72196 + ... + 73023.

It is an arithmetic number, because the mean of its divisors is an integer number (5663580).

Almost surely, 2^60120666 is an apocalyptic number.

60120666 is an abundant number, since it is smaller than the sum of its proper divisors (75805254).

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

60120666 is a wasteful number, since it uses less digits than its factorization.

60120666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145250 (or 145247 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 60120666 is about 7753.7517370625. The cubic root of 60120666 is about 391.7490280595.

The spelling of 60120666 in words is "sixty million, one hundred twenty thousand, six hundred sixty-six".