106621566671 has 8 divisors (see below), whose sum is σ = 112917271104. Its totient is φ = 100328512000.

The previous prime is 106621566661. The next prime is 106621566677. The reversal of 106621566671 is 176665126601.

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 106621566671 - 2⁶ = 106621566607 is a prime.

It is a super-2 number, since 2×106621566671² (a number of 23 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 (106621566677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579290 + ... + 740823.

It is an arithmetic number, because the mean of its divisors is an integer number (14114658888).

Almost surely, 2^106621566671 is an apocalyptic number.

106621566671 is a deficient number, since it is larger than the sum of its proper divisors (6295704433).

106621566671 is a wasteful number, since it uses less digits than its factorization.

106621566671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324881.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 106621566671 in words is "one hundred six billion, six hundred twenty-one million, five hundred sixty-six thousand, six hundred seventy-one".