106415542661 has 4 divisors (see below), whose sum is σ = 106416844524. Its totient is φ = 106414240800.

The previous prime is 106415542657. The next prime is 106415542669. The reversal of 106415542661 is 166245514601.

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 71700772900 + 34714769761 = 267770^2 + 186319^2 .

It is a cyclic number.

It is not a de Polignac number, because 106415542661 - 2² = 106415542657 is a prime.

It is a super-2 number, since 2×106415542661² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106415542669) 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 3 ways as a sum of consecutive naturals, for example, 519470 + ... + 694751.

It is an arithmetic number, because the mean of its divisors is an integer number (26604211131).

Almost surely, 2^106415542661 is an apocalyptic number.

It is an amenable number.

106415542661 is a deficient number, since it is larger than the sum of its proper divisors (1301863).

106415542661 is an equidigital number, since it uses as much as digits as its factorization.

106415542661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301862.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 106415542661 in words is "one hundred six billion, four hundred fifteen million, five hundred forty-two thousand, six hundred sixty-one".