106647556399 has 2 divisors, whose sum is σ = 106647556400. Its totient is φ = 106647556398.

The previous prime is 106647556369. The next prime is 106647556403. The reversal of 106647556399 is 993655746601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106647556399 - 2³³ = 98057621807 is a prime.

It is a super-2 number, since 2×106647556399² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106647556369) 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 as a sum of consecutive naturals, namely, 53323778199 + 53323778200.

It is an arithmetic number, because the mean of its divisors is an integer number (53323778200).

Almost surely, 2^106647556399 is an apocalyptic number.

106647556399 is a deficient number, since it is larger than the sum of its proper divisors (1).

106647556399 is an equidigital number, since it uses as much as digits as its factorization.

106647556399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 106647556399 in words is "one hundred six billion, six hundred forty-seven million, five hundred fifty-six thousand, three hundred ninety-nine".