106865851 has 2 divisors, whose sum is σ = 106865852. Its totient is φ = 106865850.

The previous prime is 106865833. The next prime is 106865867. The reversal of 106865851 is 158568601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106865851 - 2¹¹ = 106863803 is a prime.

It is a super-2 number, since 2×106865851² = 22840620219908402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106865821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53432925 + 53432926.

It is an arithmetic number, because the mean of its divisors is an integer number (53432926).

Almost surely, 2^106865851 is an apocalyptic number.

106865851 is a deficient number, since it is larger than the sum of its proper divisors (1).

106865851 is an equidigital number, since it uses as much as digits as its factorization.

106865851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 106865851 is about 10337.5940624499. The cubic root of 106865851 is about 474.5474559678.

The spelling of 106865851 in words is "one hundred six million, eight hundred sixty-five thousand, eight hundred fifty-one".