16201620432 has 80 divisors (see below), whose sum is σ = 49240241280. Its totient is φ = 5082859008.

The previous prime is 16201620341. The next prime is 16201620433. The reversal of 16201620432 is 23402610261.

16201620432 is a `hidden beast` number, since 1 + 6 + 2 + 0 + 1 + 620 + 4 + 32 = 666.

16201620432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16201620396 and 16201620405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201620433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095708 + ... + 1110395.

It is an arithmetic number, because the mean of its divisors is an integer number (615503016).

Almost surely, 2^16201620432 is an apocalyptic number.

16201620432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16201620432 is an abundant number, since it is smaller than the sum of its proper divisors (33038620848).

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

16201620432 is a wasteful number, since it uses less digits than its factorization.

16201620432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206137 (or 2206125 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 16201620432 in words is "sixteen billion, two hundred one million, six hundred twenty thousand, four hundred thirty-two".