105026220646 has 16 divisors (see below), whose sum is σ = 159108643584. Its totient is φ = 51992456904.

The previous prime is 105026220641. The next prime is 105026220667. The reversal of 105026220646 is 646022620501.

It is a super-2 number, since 2×105026220646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105026220641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526746 + ... + 698221.

It is an arithmetic number, because the mean of its divisors is an integer number (9944290224).

Almost surely, 2^105026220646 is an apocalyptic number.

105026220646 is a deficient number, since it is larger than the sum of its proper divisors (54082422938).

105026220646 is a wasteful number, since it uses less digits than its factorization.

105026220646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225395.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 105026220646 in words is "one hundred five billion, twenty-six million, two hundred twenty thousand, six hundred forty-six".