106621166100215 has 16 divisors (see below), whose sum is σ = 137792402748000. Its totient is φ = 78732744845952.

The previous prime is 106621166100209. The next prime is 106621166100217. The reversal of 106621166100215 is 512001661126601.

It is a cyclic number.

It is not a de Polignac number, because 106621166100215 - 2³⁴ = 106603986231031 is a prime.

It is a super-2 number, since 2×106621166100215² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106621166100217) 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, 28269260 + ... + 31818129.

It is an arithmetic number, because the mean of its divisors is an integer number (8612025171750).

Almost surely, 2^{106621166100215} is an apocalyptic number.

106621166100215 is a deficient number, since it is larger than the sum of its proper divisors (31171236647785).

106621166100215 is a wasteful number, since it uses less digits than its factorization.

106621166100215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60114706.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 106621166100215 in words is "one hundred six trillion, six hundred twenty-one billion, one hundred sixty-six million, one hundred thousand, two hundred fifteen".