16283779468 has 12 divisors (see below), whose sum is σ = 31087215432. Its totient is φ = 7401717920.

The previous prime is 16283779451. The next prime is 16283779469. The reversal of 16283779468 is 86497738261.

It is a happy number.

It is a super-2 number, since 2×16283779468² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16283779469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185042905 + ... + 185042992.

It is an arithmetic number, because the mean of its divisors is an integer number (2590601286).

Almost surely, 2^16283779468 is an apocalyptic number.

It is an amenable number.

16283779468 is a deficient number, since it is larger than the sum of its proper divisors (14803435964).

16283779468 is a wasteful number, since it uses less digits than its factorization.

16283779468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370085912 (or 370085910 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 61.

The spelling of 16283779468 in words is "sixteen billion, two hundred eighty-three million, seven hundred seventy-nine thousand, four hundred sixty-eight".