106187346491 has 2 divisors, whose sum is σ = 106187346492. Its totient is φ = 106187346490.

The previous prime is 106187346469. The next prime is 106187346493. The reversal of 106187346491 is 194643781601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106187346491 is a prime.

It is a super-2 number, since 2×106187346491² (a number of 23 digits) contains 22 as substring.

Together with 106187346493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106187346493) 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, 53093673245 + 53093673246.

It is an arithmetic number, because the mean of its divisors is an integer number (53093673246).

Almost surely, 2^106187346491 is an apocalyptic number.

106187346491 is a deficient number, since it is larger than the sum of its proper divisors (1).

106187346491 is an equidigital number, since it uses as much as digits as its factorization.

106187346491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 106187346491 in words is "one hundred six billion, one hundred eighty-seven million, three hundred forty-six thousand, four hundred ninety-one".