99162491 has 2 divisors, whose sum is σ = 99162492. Its totient is φ = 99162490.

The previous prime is 99162473. The next prime is 99162533. The reversal of 99162491 is 19426199.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99162491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99162431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49581245 + 49581246.

It is an arithmetic number, because the mean of its divisors is an integer number (49581246).

Almost surely, 2^99162491 is an apocalyptic number.

99162491 is a deficient number, since it is larger than the sum of its proper divisors (1).

99162491 is an equidigital number, since it uses as much as digits as its factorization.

99162491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 41.

The square root of 99162491 is about 9958.0365032470. The cubic root of 99162491 is about 462.8594581730.

The spelling of 99162491 in words is "ninety-nine million, one hundred sixty-two thousand, four hundred ninety-one".