16432710732 has 144 divisors (see below), whose sum is σ = 45055325952. Its totient is φ = 5227104960.

The previous prime is 16432710727. The next prime is 16432710773. The reversal of 16432710732 is 23701723461.

16432710732 is a `hidden beast` number, since 1 + 643 + 2 + 7 + 1 + 0 + 7 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16923007 + ... + 16923977.

It is an arithmetic number, because the mean of its divisors is an integer number (312884208).

Almost surely, 2^16432710732 is an apocalyptic number.

16432710732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16432710732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22527662976).

16432710732 is an abundant number, since it is smaller than the sum of its proper divisors (28622615220).

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

16432710732 is a wasteful number, since it uses less digits than its factorization.

16432710732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 16432710732 in words is "sixteen billion, four hundred thirty-two million, seven hundred ten thousand, seven hundred thirty-two".