106890860063 has 4 divisors (see below), whose sum is σ = 115113233928. Its totient is φ = 98668486200.

The previous prime is 106890860059. The next prime is 106890860071. The reversal of 106890860063 is 360068098601.

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

It is a cyclic number.

It is not a de Polignac number, because 106890860063 - 2² = 106890860059 is a prime.

It is a super-2 number, since 2×106890860063² (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 (106890862063) 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, 4111186913 + ... + 4111186938.

It is an arithmetic number, because the mean of its divisors is an integer number (28778308482).

Almost surely, 2^106890860063 is an apocalyptic number.

106890860063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

106890860063 is a deficient number, since it is larger than the sum of its proper divisors (8222373865).

106890860063 is an equidigital number, since it uses as much as digits as its factorization.

106890860063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8222373864.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 106890860063 in words is "one hundred six billion, eight hundred ninety million, eight hundred sixty thousand, sixty-three".