125105006022166 has 8 divisors (see below), whose sum is σ = 187657556757120. Its totient is φ = 62552487103128.

The previous prime is 125105006022133. The next prime is 125105006022181. The reversal of 125105006022166 is 661220600501521.

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

It is a super-2 number, since 2×125105006022166² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 9819595 + ... + 18618121.

It is an arithmetic number, because the mean of its divisors is an integer number (23457194594640).

Almost surely, 2^{125105006022166} is an apocalyptic number.

125105006022166 is a deficient number, since it is larger than the sum of its proper divisors (62552550734954).

125105006022166 is an equidigital number, since it uses as much as digits as its factorization.

125105006022166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15907958.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 125105006022166 its reverse (661220600501521), we get a palindrome (786325606523687).

The spelling of 125105006022166 in words is "one hundred twenty-five trillion, one hundred five billion, six million, twenty-two thousand, one hundred sixty-six".