66626446082086 has 16 divisors (see below), whose sum is σ = 109025463352320. Its totient is φ = 30284645507080.

The previous prime is 66626446082051. The next prime is 66626446082101. The reversal of 66626446082086 is 68028064462666.

It is a super-2 number, since 2×66626446082086² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700775 + ... + 11668141.

It is an arithmetic number, because the mean of its divisors is an integer number (6814091459520).

Almost surely, 2^{66626446082086} is an apocalyptic number.

66626446082086 is a deficient number, since it is larger than the sum of its proper divisors (42399017270234).

66626446082086 is a wasteful number, since it uses less digits than its factorization.

66626446082086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271219.

The product of its (nonzero) digits is 191102976, while the sum is 64.

The spelling of 66626446082086 in words is "sixty-six trillion, six hundred twenty-six billion, four hundred forty-six million, eighty-two thousand, eighty-six".