163146351 has 4 divisors (see below), whose sum is σ = 217528472. Its totient is φ = 108764232.

The previous prime is 163146323. The next prime is 163146409. The reversal of 163146351 is 153641361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153641361 = 3 ⋅51213787.

It is not a de Polignac number, because 163146351 - 2¹³ = 163138159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163146311) 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 3 ways as a sum of consecutive naturals, for example, 27191056 + ... + 27191061.

It is an arithmetic number, because the mean of its divisors is an integer number (54382118).

Almost surely, 2^163146351 is an apocalyptic number.

163146351 is a deficient number, since it is larger than the sum of its proper divisors (54382121).

163146351 is an equidigital number, since it uses as much as digits as its factorization.

163146351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54382120.

The product of its digits is 6480, while the sum is 30.

The square root of 163146351 is about 12772.8755963565. The cubic root of 163146351 is about 546.4189950269.

The spelling of 163146351 in words is "one hundred sixty-three million, one hundred forty-six thousand, three hundred fifty-one".