32501661696 has 368 divisors, whose sum is σ = 112742878080. Its totient is φ = 9059696640.

The previous prime is 32501661677. The next prime is 32501661719. The reversal of 32501661696 is 69616610523.

32501661696 is a `hidden beast` number, since 3 + 25 + 0 + 1 + 6 + 616 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792723436 + ... + 792723476.

Almost surely, 2^32501661696 is an apocalyptic number.

32501661696 is a gapful number since it is divisible by the number (36) 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 32501661696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56371439040).

32501661696 is an abundant number, since it is smaller than the sum of its proper divisors (80241216384).

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

32501661696 is an frugal number, since it uses more digits than its factorization.

32501661696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 32501661696 in words is "thirty-two billion, five hundred one million, six hundred sixty-one thousand, six hundred ninety-six".