16201478532 has 48 divisors (see below), whose sum is σ = 38000837952. Its totient is φ = 5372344320.

The previous prime is 16201478521. The next prime is 16201478561. The reversal of 16201478532 is 23587410261.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360988 + ... + 3365804.

It is an arithmetic number, because the mean of its divisors is an integer number (791684124).

Almost surely, 2^16201478532 is an apocalyptic number.

16201478532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16201478532 is an abundant number, since it is smaller than the sum of its proper divisors (21799359420).

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

16201478532 is a wasteful number, since it uses less digits than its factorization.

16201478532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228 (or 6226 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

Adding to 16201478532 its reverse (23587410261), we get a palindrome (39788888793).

The spelling of 16201478532 in words is "sixteen billion, two hundred one million, four hundred seventy-eight thousand, five hundred thirty-two".