16637365340 has 12 divisors (see below), whose sum is σ = 34938467256. Its totient is φ = 6654946128.

The previous prime is 16637365259. The next prime is 16637365343. The reversal of 16637365340 is 4356373661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16637365291 and 16637365300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16637365343) 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 3 ways as a sum of consecutive naturals, for example, 415934114 + ... + 415934153.

It is an arithmetic number, because the mean of its divisors is an integer number (2911538938).

Almost surely, 2^16637365340 is an apocalyptic number.

16637365340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16637365340 is an abundant number, since it is smaller than the sum of its proper divisors (18301101916).

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

16637365340 is a wasteful number, since it uses less digits than its factorization.

16637365340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831868276 (or 831868274 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 16637365340 in words is "sixteen billion, six hundred thirty-seven million, three hundred sixty-five thousand, three hundred forty".