60551511666 has 16 divisors (see below), whose sum is σ = 121124627904. Its totient is φ = 20180236464.

The previous prime is 60551511623. The next prime is 60551511667. The reversal of 60551511666 is 66611515506.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60551511667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863641 + ... + 931116.

It is an arithmetic number, because the mean of its divisors is an integer number (7570289244).

Almost surely, 2^60551511666 is an apocalyptic number.

60551511666 is an abundant number, since it is smaller than the sum of its proper divisors (60573116238).

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

60551511666 is a wasteful number, since it uses less digits than its factorization.

60551511666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800385.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 60551511666 in words is "sixty billion, five hundred fifty-one million, five hundred eleven thousand, six hundred sixty-six".