16032291660 has 768 divisors, whose sum is σ = 67733729280. Its totient is φ = 3045703680.

The previous prime is 16032291641. The next prime is 16032291689. The reversal of 16032291660 is 6619223061.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 26153514 + ... + 26154126.

It is an arithmetic number, because the mean of its divisors is an integer number (88194960).

Almost surely, 2^16032291660 is an apocalyptic number.

16032291660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16032291660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33866864640).

16032291660 is an abundant number, since it is smaller than the sum of its proper divisors (51701437620).

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

16032291660 is a wasteful number, since it uses less digits than its factorization.

16032291660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 16032291660 in words is "sixteen billion, thirty-two million, two hundred ninety-one thousand, six hundred sixty".