106176391 has 2 divisors, whose sum is σ = 106176392. Its totient is φ = 106176390.

The previous prime is 106176361. The next prime is 106176439. The reversal of 106176391 is 193671601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106176391 - 2⁹ = 106175879 is a prime.

It is a super-2 number, since 2×106176391² = 22546852011569762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106176361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53088195 + 53088196.

It is an arithmetic number, because the mean of its divisors is an integer number (53088196).

Almost surely, 2^106176391 is an apocalyptic number.

106176391 is a deficient number, since it is larger than the sum of its proper divisors (1).

106176391 is an equidigital number, since it uses as much as digits as its factorization.

106176391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 106176391 is about 10304.1928844524. The cubic root of 106176391 is about 473.5247169050.

The spelling of 106176391 in words is "one hundred six million, one hundred seventy-six thousand, three hundred ninety-one".