106910251663 has 4 divisors (see below), whose sum is σ = 106912456840. Its totient is φ = 106908046488.

The previous prime is 106910251601. The next prime is 106910251667. The reversal of 106910251663 is 366152019601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106910251663 is a prime.

It is a super-2 number, since 2×106910251663² (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 (106910251667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028193 + ... + 1127386.

It is an arithmetic number, because the mean of its divisors is an integer number (26728114210).

Almost surely, 2^106910251663 is an apocalyptic number.

106910251663 is a deficient number, since it is larger than the sum of its proper divisors (2205177).

106910251663 is an equidigital number, since it uses as much as digits as its factorization.

106910251663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205176.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 106910251663 in words is "one hundred six billion, nine hundred ten million, two hundred fifty-one thousand, six hundred sixty-three".