229501997568 has 160 divisors (see below), whose sum is σ = 719303872320. Its totient is φ = 72000552960.

The previous prime is 229501997503. The next prime is 229501997579. The reversal of 229501997568 is 865799105922.

229501997568 is a `hidden beast` number, since 2 + 2 + 9 + 50 + 19 + 9 + 7 + 568 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253278 + ... + 723293.

It is an arithmetic number, because the mean of its divisors is an integer number (4495649202).

Almost surely, 2^229501997568 is an apocalyptic number.

It is an amenable number.

229501997568 is an abundant number, since it is smaller than the sum of its proper divisors (489801874752).

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

229501997568 is an equidigital number, since it uses as much as digits as its factorization.

229501997568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976615 (or 976593 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 229501997568 in words is "two hundred twenty-nine billion, five hundred one million, nine hundred ninety-seven thousand, five hundred sixty-eight".