16372335640 has 32 divisors (see below), whose sum is σ = 38439398880. Its totient is φ = 6264197632.

The previous prime is 16372335631. The next prime is 16372335641. The reversal of 16372335640 is 4653327361.

16372335640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 16372335593 and 16372335602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16372335641) 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 7 ways as a sum of consecutive naturals, for example, 8897089 + ... + 8898928.

It is an arithmetic number, because the mean of its divisors is an integer number (1201231215).

Almost surely, 2^16372335640 is an apocalyptic number.

16372335640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16372335640 is an abundant number, since it is smaller than the sum of its proper divisors (22067063240).

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

16372335640 is a wasteful number, since it uses less digits than its factorization.

16372335640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17796051 (or 17796047 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 16372335640 in words is "sixteen billion, three hundred seventy-two million, three hundred thirty-five thousand, six hundred forty".