106618376401 has 4 divisors (see below), whose sum is σ = 106631112292. Its totient is φ = 106605640512.

The previous prime is 106618376369. The next prime is 106618376441. The reversal of 106618376401 is 104673816601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15719141376 + 90899235025 = 125376^2 + 301495^2 .

It is a cyclic number.

It is not a de Polignac number, because 106618376401 - 2⁵ = 106618376369 is a prime.

It is a super-2 number, since 2×106618376401² (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 (106618376441) 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, 6355380 + ... + 6372133.

It is an arithmetic number, because the mean of its divisors is an integer number (26657778073).

Almost surely, 2^106618376401 is an apocalyptic number.

It is an amenable number.

106618376401 is a deficient number, since it is larger than the sum of its proper divisors (12735891).

106618376401 is an equidigital number, since it uses as much as digits as its factorization.

106618376401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12735890.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 106618376401 in words is "one hundred six billion, six hundred eighteen million, three hundred seventy-six thousand, four hundred one".