163099457 has 4 divisors (see below), whose sum is σ = 163162416. Its totient is φ = 163036500.

The previous prime is 163099427. The next prime is 163099471. The reversal of 163099457 is 754990361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163099457 - 2⁸ = 163099201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163099427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27419 + ... + 32832.

It is an arithmetic number, because the mean of its divisors is an integer number (40790604).

Almost surely, 2^163099457 is an apocalyptic number.

It is an amenable number.

163099457 is a deficient number, since it is larger than the sum of its proper divisors (62959).

163099457 is an equidigital number, since it uses as much as digits as its factorization.

163099457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62958.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 163099457 is about 12771.0397775592. The cubic root of 163099457 is about 546.3666366635.

The spelling of 163099457 in words is "one hundred sixty-three million, ninety-nine thousand, four hundred fifty-seven".