66010155615061 has 16 divisors (see below), whose sum is σ = 76500662616064. Its totient is φ = 55790236225584.

The previous prime is 66010155615043. The next prime is 66010155615067. The reversal of 66010155615061 is 16051655101066.

It is not a de Polignac number, because 66010155615061 - 2⁹ = 66010155614549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66010155614999 and 66010155615017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66010155615067) 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, 227622405 + ... + 227912218.

It is an arithmetic number, because the mean of its divisors is an integer number (4781291413504).

Almost surely, 2^{66010155615061} is an apocalyptic number.

It is an amenable number.

66010155615061 is a deficient number, since it is larger than the sum of its proper divisors (10490507001003).

66010155615061 is a wasteful number, since it uses less digits than its factorization.

66010155615061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455534920.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 66010155615061 in words is "sixty-six trillion, ten billion, one hundred fifty-five million, six hundred fifteen thousand, sixty-one".