16532197320 has 32 divisors (see below), whose sum is σ = 49596592320. Its totient is φ = 4408585920.

The previous prime is 16532197309. The next prime is 16532197321. The reversal of 16532197320 is 2379123561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16532197321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68884036 + ... + 68884275.

It is an arithmetic number, because the mean of its divisors is an integer number (1549893510).

Almost surely, 2^16532197320 is an apocalyptic number.

16532197320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16532197320 is an abundant number, since it is smaller than the sum of its proper divisors (33064395000).

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

16532197320 is a wasteful number, since it uses less digits than its factorization.

16532197320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137768325 (or 137768321 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 16532197320 in words is "sixteen billion, five hundred thirty-two million, one hundred ninety-seven thousand, three hundred twenty".