101666220515150 has 24 divisors (see below), whose sum is σ = 189099539106384. Its totient is φ = 40666408862400.

The previous prime is 101666220515147. The next prime is 101666220515179. The reversal of 101666220515150 is 51515022666101.

It is a super-3 number, since 3×101666220515150³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101666220515098 and 101666220515107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28554314 + ... + 31916786.

It is an arithmetic number, because the mean of its divisors is an integer number (7879147462766).

Almost surely, 2^{101666220515150} is an apocalyptic number.

101666220515150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101666220515150 is a deficient number, since it is larger than the sum of its proper divisors (87433318591234).

101666220515150 is a wasteful number, since it uses less digits than its factorization.

101666220515150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967196 (or 3967191 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 101666220515150 in words is "one hundred one trillion, six hundred sixty-six billion, two hundred twenty million, five hundred fifteen thousand, one hundred fifty".