163226451 has 8 divisors (see below), whose sum is σ = 218128320. Its totient is φ = 108571112.

The previous prime is 163226447. The next prime is 163226461. The reversal of 163226451 is 154622361.

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 163226451 - 2² = 163226447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163226461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60081 + ... + 62738.

It is an arithmetic number, because the mean of its divisors is an integer number (27266040).

Almost surely, 2^163226451 is an apocalyptic number.

163226451 is a deficient number, since it is larger than the sum of its proper divisors (54901869).

163226451 is a wasteful number, since it uses less digits than its factorization.

163226451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123265.

The product of its digits is 8640, while the sum is 30.

The square root of 163226451 is about 12776.0107623624. The cubic root of 163226451 is about 546.5084055475.

The spelling of 163226451 in words is "one hundred sixty-three million, two hundred twenty-six thousand, four hundred fifty-one".