166061003544130 has 16 divisors (see below), whose sum is σ = 298924568451000. Its totient is φ = 66421120957312.

The previous prime is 166061003544083. The next prime is 166061003544239. The reversal of 166061003544130 is 31445300160661.

It can be written as a sum of positive squares in 4 ways, for example, as 145403587672281 + 20657415871849 = 12058341^2 + 4545043^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409844929 + ... + 410249908.

Almost surely, 2^{166061003544130} is an apocalyptic number.

166061003544130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166061003544130 is a deficient number, since it is larger than the sum of its proper divisors (132863564906870).

166061003544130 is a wasteful number, since it uses less digits than its factorization.

166061003544130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820115093.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 166061003544130 in words is "one hundred sixty-six trillion, sixty-one billion, three million, five hundred forty-four thousand, one hundred thirty".