163290707 has 8 divisors (see below), whose sum is σ = 165780720. Its totient is φ = 160807680.

The previous prime is 163290691. The next prime is 163290713. The reversal of 163290707 is 707092361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163290707 - 2⁴ = 163290691 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163290767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63044 + ... + 65582.

It is an arithmetic number, because the mean of its divisors is an integer number (20722590).

Almost surely, 2^163290707 is an apocalyptic number.

163290707 is a deficient number, since it is larger than the sum of its proper divisors (2490013).

163290707 is an equidigital number, since it uses as much as digits as its factorization.

163290707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 163290707 is about 12778.5252278970. The cubic root of 163290707 is about 546.5801092795.

The spelling of 163290707 in words is "one hundred sixty-three million, two hundred ninety thousand, seven hundred seven".