106551607 has 2 divisors, whose sum is σ = 106551608. Its totient is φ = 106551606.

The previous prime is 106551593. The next prime is 106551629. The reversal of 106551607 is 706155601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106551607 - 2¹⁹ = 106027319 is a prime.

It is a super-2 number, since 2×106551607² = 22706489908564898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106551637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53275803 + 53275804.

It is an arithmetic number, because the mean of its divisors is an integer number (53275804).

Almost surely, 2^106551607 is an apocalyptic number.

106551607 is a deficient number, since it is larger than the sum of its proper divisors (1).

106551607 is an equidigital number, since it uses as much as digits as its factorization.

106551607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 106551607 is about 10322.3837847660. The cubic root of 106551607 is about 474.0818563493.

The spelling of 106551607 in words is "one hundred six million, five hundred fifty-one thousand, six hundred seven".