16602661140 has 48 divisors (see below), whose sum is σ = 50063411328. Its totient is φ = 4086808704.

The previous prime is 16602661139. The next prime is 16602661151. The reversal of 16602661140 is 4116620661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10641952 + ... + 10643511.

It is an arithmetic number, because the mean of its divisors is an integer number (1042987736).

Almost surely, 2^16602661140 is an apocalyptic number.

16602661140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16602661140 is an abundant number, since it is smaller than the sum of its proper divisors (33460750188).

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

16602661140 is a wasteful number, since it uses less digits than its factorization.

16602661140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21285488 (or 21285486 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 16602661140 in words is "sixteen billion, six hundred two million, six hundred sixty-one thousand, one hundred forty".