21048000168 has 64 divisors (see below), whose sum is σ = 57985583040. Its totient is φ = 6325691904.

The previous prime is 21048000131. The next prime is 21048000179. The reversal of 21048000168 is 86100084012.

It is a super-2 number, since 2×21048000168² (a number of 21 digits) contains 22 as substring.

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, 771021 + ... + 797852.

It is an arithmetic number, because the mean of its divisors is an integer number (906024735).

Almost surely, 2^21048000168 is an apocalyptic number.

It is an amenable number.

21048000168 is an abundant number, since it is smaller than the sum of its proper divisors (36937582872).

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

21048000168 is a wasteful number, since it uses less digits than its factorization.

21048000168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568938 (or 1568934 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 21048000168 in words is "twenty-one billion, forty-eight million, one hundred sixty-eight", and thus it is an aban number.