24228771165 has 32 divisors (see below), whose sum is σ = 43090220160. Its totient is φ = 12916956672.

The previous prime is 24228771121. The next prime is 24228771169. The reversal of 24228771165 is 56117782242.

24228771165 is a `hidden beast` number, since 242 + 287 + 71 + 1 + 65 = 666.

It is not a de Polignac number, because 24228771165 - 2¹³ = 24228762973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 24228771165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24228771169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324922 + ... + 392468.

It is an arithmetic number, because the mean of its divisors is an integer number (1346569380).

Almost surely, 2^24228771165 is an apocalyptic number.

It is an amenable number.

24228771165 is a deficient number, since it is larger than the sum of its proper divisors (18861448995).

24228771165 is a wasteful number, since it uses less digits than its factorization.

24228771165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70218 (or 70212 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The spelling of 24228771165 in words is "twenty-four billion, two hundred twenty-eight million, seven hundred seventy-one thousand, one hundred sixty-five".