106566540121199 has 8 divisors (see below), whose sum is σ = 107544434384640. Its totient is φ = 105588649850400.

The previous prime is 106566540121099. The next prime is 106566540121201. The reversal of 106566540121199 is 991121045665601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106566540121199 - 2¹⁶ = 106566540055663 is a prime.

It is a super-2 number, since 2×106566540121199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106566540121099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93384434 + ... + 94518704.

It is an arithmetic number, because the mean of its divisors is an integer number (13443054298080).

Almost surely, 2^{106566540121199} is an apocalyptic number.

106566540121199 is a deficient number, since it is larger than the sum of its proper divisors (977894263441).

106566540121199 is a wasteful number, since it uses less digits than its factorization.

106566540121199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996321.

The product of its (nonzero) digits is 3499200, while the sum is 56.

The spelling of 106566540121199 in words is "one hundred six trillion, five hundred sixty-six billion, five hundred forty million, one hundred twenty-one thousand, one hundred ninety-nine".