16777646252 has 6 divisors (see below), whose sum is σ = 29360880948. Its totient is φ = 8388823124.

The previous prime is 16777646191. The next prime is 16777646257. The reversal of 16777646252 is 25264677761.

It is a junction number, because it is equal to n+sod(n) for n = 16777646194 and 16777646203.

It is not an unprimeable number, because it can be changed into a prime (16777646257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097205778 + ... + 2097205785.

It is an arithmetic number, because the mean of its divisors is an integer number (4893480158).

Almost surely, 2^16777646252 is an apocalyptic number.

It is an amenable number.

16777646252 is a deficient number, since it is larger than the sum of its proper divisors (12583234696).

16777646252 is a wasteful number, since it uses less digits than its factorization.

16777646252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194411567 (or 4194411565 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The spelling of 16777646252 in words is "sixteen billion, seven hundred seventy-seven million, six hundred forty-six thousand, two hundred fifty-two".