9162091 has 2 divisors, whose sum is σ = 9162092. Its totient is φ = 9162090.

The previous prime is 9162059. The next prime is 9162137. The reversal of 9162091 is 1902619.

It is a weak prime.

It is an emirp because it is prime and its reverse (1902619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9162091 - 2⁵ = 9162059 is a prime.

It is a super-2 number, since 2×9162091² = 167887822984562, which contains 22 as substring.

9162091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9162001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4581045 + 4581046.

It is an arithmetic number, because the mean of its divisors is an integer number (4581046).

Almost surely, 2^9162091 is an apocalyptic number.

9162091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9162091 is an equidigital number, since it uses as much as digits as its factorization.

9162091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 9162091 is about 3026.8946132959. The cubic root of 9162091 is about 209.2497110678.

The spelling of 9162091 in words is "nine million, one hundred sixty-two thousand, ninety-one".