14893901568 has 504 divisors, whose sum is σ = 54922917728. Its totient is φ = 3923582976.

The previous prime is 14893901567. The next prime is 14893901573. The reversal of 14893901568 is 86510939841.

14893901568 is a `hidden beast` number, since 1 + 48 + 9 + 39 + 0 + 1 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14893901567) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16982346 + ... + 16983222.

Almost surely, 2^14893901568 is an apocalyptic number.

14893901568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14893901568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27461458864).

14893901568 is an abundant number, since it is smaller than the sum of its proper divisors (40029016160).

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

14893901568 is an frugal number, since it uses more digits than its factorization.

14893901568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 14893901568 in words is "fourteen billion, eight hundred ninety-three million, nine hundred one thousand, five hundred sixty-eight".