16023868641 has 24 divisors (see below), whose sum is σ = 25389262080. Its totient is φ = 9657770400.

The previous prime is 16023868589. The next prime is 16023868669. The reversal of 16023868641 is 14686832061.

16023868641 is a `hidden beast` number, since 1 + 602 + 38 + 6 + 8 + 6 + 4 + 1 = 666.

It is not a de Polignac number, because 16023868641 - 2¹³ = 16023860449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16023868691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429201 + ... + 465038.

It is an arithmetic number, because the mean of its divisors is an integer number (1057885920).

Almost surely, 2^16023868641 is an apocalyptic number.

16023868641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16023868641 is a deficient number, since it is larger than the sum of its proper divisors (9365393439).

16023868641 is a wasteful number, since it uses less digits than its factorization.

16023868641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894437 (or 894434 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 16023868641 in words is "sixteen billion, twenty-three million, eight hundred sixty-eight thousand, six hundred forty-one".