66061010054 has 32 divisors (see below), whose sum is σ = 112565376000. Its totient is φ = 28824570144.

The previous prime is 66061010051. The next prime is 66061010089. The reversal of 66061010054 is 45001016066.

It is a junction number, because it is equal to n+sod(n) for n = 66061009999 and 66061010026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66061010051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97037 + ... + 376215.

It is an arithmetic number, because the mean of its divisors is an integer number (3517668000).

Almost surely, 2^66061010054 is an apocalyptic number.

66061010054 is a deficient number, since it is larger than the sum of its proper divisors (46504365946).

66061010054 is a wasteful number, since it uses less digits than its factorization.

66061010054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279692.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 66061010054 in words is "sixty-six billion, sixty-one million, ten thousand, fifty-four".