16605630140 has 24 divisors (see below), whose sum is σ = 38041989552. Its totient is φ = 6038410880.

The previous prime is 16605630131. The next prime is 16605630163. The reversal of 16605630140 is 4103650661.

It is a junction number, because it is equal to n+sod(n) for n = 16605630097 and 16605630106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37739849 + ... + 37740288.

It is an arithmetic number, because the mean of its divisors is an integer number (1585082898).

Almost surely, 2^16605630140 is an apocalyptic number.

16605630140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16605630140 is an abundant number, since it is smaller than the sum of its proper divisors (21436359412).

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

16605630140 is a wasteful number, since it uses less digits than its factorization.

16605630140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75480157 (or 75480155 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 16605630140 in words is "sixteen billion, six hundred five million, six hundred thirty thousand, one hundred forty".