106621772417 has 8 divisors (see below), whose sum is σ = 107666682240. Its totient is φ = 105577050240.

The previous prime is 106621772363. The next prime is 106621772419. The reversal of 106621772417 is 714277126601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106621772417 is a prime.

It is a super-2 number, since 2×106621772417² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106621772419) 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, 1277009 + ... + 1357937.

It is an arithmetic number, because the mean of its divisors is an integer number (13458335280).

Almost surely, 2^106621772417 is an apocalyptic number.

It is an amenable number.

106621772417 is a deficient number, since it is larger than the sum of its proper divisors (1044909823).

106621772417 is a wasteful number, since it uses less digits than its factorization.

106621772417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93823.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 106621772417 in words is "one hundred six billion, six hundred twenty-one million, seven hundred seventy-two thousand, four hundred seventeen".