32661939686 has 4 divisors (see below), whose sum is σ = 48992909532. Its totient is φ = 16330969842.

The previous prime is 32661939601. The next prime is 32661939727. The reversal of 32661939686 is 68693916623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68693916623 = 4861 ⋅14131643.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8165484920 + ... + 8165484923.

It is an arithmetic number, because the mean of its divisors is an integer number (12248227383).

Almost surely, 2^32661939686 is an apocalyptic number.

32661939686 is a deficient number, since it is larger than the sum of its proper divisors (16330969846).

32661939686 is a wasteful number, since it uses less digits than its factorization.

32661939686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330969845.

The product of its digits is 15116544, while the sum is 59.

The spelling of 32661939686 in words is "thirty-two billion, six hundred sixty-one million, nine hundred thirty-nine thousand, six hundred eighty-six".