106419591 has 6 divisors (see below), whose sum is σ = 153717200. Its totient is φ = 70946388.

The previous prime is 106419571. The next prime is 106419611. The reversal of 106419591 is 195914601.

106419591 is a `hidden beast` number, since 1 + 0 + 64 + 1 + 9 + 591 = 666.

It is an interprime number because it is at equal distance from previous prime (106419571) and next prime (106419611).

It is not a de Polignac number, because 106419591 - 2⁷ = 106419463 is a prime.

It is a super-2 number, since 2×106419591² = 22650258697214562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106419571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5912191 + ... + 5912208.

Almost surely, 2^106419591 is an apocalyptic number.

106419591 is a deficient number, since it is larger than the sum of its proper divisors (47297609).

106419591 is a wasteful number, since it uses less digits than its factorization.

106419591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824405 (or 11824402 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 106419591 is about 10315.9871558664. The cubic root of 106419591 is about 473.8859817623.

The spelling of 106419591 in words is "one hundred six million, four hundred nineteen thousand, five hundred ninety-one".