163226540 has 24 divisors (see below), whose sum is σ = 347474400. Its totient is φ = 64395648.

The previous prime is 163226533. The next prime is 163226551. The reversal of 163226540 is 45622361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54440 + ... + 57359.

It is an arithmetic number, because the mean of its divisors is an integer number (14478100).

Almost surely, 2^163226540 is an apocalyptic number.

163226540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163226540 is an abundant number, since it is smaller than the sum of its proper divisors (184247860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163226540 is a wasteful number, since it uses less digits than its factorization.

163226540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111881 (or 111879 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 163226540 is about 12776.0142454523. The cubic root of 163226540 is about 546.5085048762.

The spelling of 163226540 in words is "one hundred sixty-three million, two hundred twenty-six thousand, five hundred forty".