16388156652 has 48 divisors (see below), whose sum is σ = 43708008960. Its totient is φ = 4681660032.

The previous prime is 16388156641. The next prime is 16388156657. The reversal of 16388156652 is 25665188361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16388156595 and 16388156604.

It is not an unprimeable number, because it can be changed into a prime (16388156657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158808 + ... + 1172864.

It is an arithmetic number, because the mean of its divisors is an integer number (910583520).

Almost surely, 2^16388156652 is an apocalyptic number.

16388156652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16388156652 is an abundant number, since it is smaller than the sum of its proper divisors (27319852308).

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

16388156652 is a wasteful number, since it uses less digits than its factorization.

16388156652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27950 (or 27948 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The spelling of 16388156652 in words is "sixteen billion, three hundred eighty-eight million, one hundred fifty-six thousand, six hundred fifty-two".