106624302021 has 32 divisors (see below), whose sum is σ = 160321864320. Its totient is φ = 70023284352.

The previous prime is 106624302017. The next prime is 106624302089. The reversal of 106624302021 is 120203426601.

106624302021 is a `hidden beast` number, since 1 + 0 + 6 + 624 + 30 + 2 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 106624302021 - 2² = 106624302017 is a prime.

It is a super-2 number, since 2×106624302021² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106624306021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1597311 + ... + 1662723.

It is an arithmetic number, because the mean of its divisors is an integer number (5010058260).

Almost surely, 2^106624302021 is an apocalyptic number.

It is an amenable number.

106624302021 is a deficient number, since it is larger than the sum of its proper divisors (53697562299).

106624302021 is an equidigital number, since it uses as much as digits as its factorization.

106624302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66322 (or 66316 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 106624302021 its reverse (120203426601), we get a palindrome (226827728622).

The spelling of 106624302021 in words is "one hundred six billion, six hundred twenty-four million, three hundred two thousand, twenty-one".