60666551055 has 72 divisors (see below), whose sum is σ = 118708271136. Its totient is φ = 28619015040.

The previous prime is 60666551053. The next prime is 60666551063. The reversal of 60666551055 is 55015566606.

It is not a de Polignac number, because 60666551055 - 2¹ = 60666551053 is a prime.

It is a super-2 number, since 2×60666551055² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 60666551055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60666551053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 50902 + ... + 352028.

It is an arithmetic number, because the mean of its divisors is an integer number (1648725988).

Almost surely, 2^60666551055 is an apocalyptic number.

60666551055 is a deficient number, since it is larger than the sum of its proper divisors (58041720081).

60666551055 is a wasteful number, since it uses less digits than its factorization.

60666551055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301197 (or 301183 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 60666551055 in words is "sixty billion, six hundred sixty-six million, five hundred fifty-one thousand, fifty-five".