106534656491 has 2 divisors, whose sum is σ = 106534656492. Its totient is φ = 106534656490.

The previous prime is 106534656467. The next prime is 106534656509. The reversal of 106534656491 is 194656435601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106534656491 is a prime.

It is a super-2 number, since 2×106534656491² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106534652491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53267328245 + 53267328246.

It is an arithmetic number, because the mean of its divisors is an integer number (53267328246).

Almost surely, 2^106534656491 is an apocalyptic number.

106534656491 is a deficient number, since it is larger than the sum of its proper divisors (1).

106534656491 is an equidigital number, since it uses as much as digits as its factorization.

106534656491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 106534656491 in words is "one hundred six billion, five hundred thirty-four million, six hundred fifty-six thousand, four hundred ninety-one".