32986901806 has 32 divisors (see below), whose sum is σ = 52528831488. Its totient is φ = 15503352480.

The previous prime is 32986901803. The next prime is 32986901807. The reversal of 32986901806 is 60810968923.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32986901803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284811 + ... + 1310233.

It is an arithmetic number, because the mean of its divisors is an integer number (1641525984).

Almost surely, 2^32986901806 is an apocalyptic number.

32986901806 is a deficient number, since it is larger than the sum of its proper divisors (19541929682).

32986901806 is a wasteful number, since it uses less digits than its factorization.

32986901806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25936.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 32986901806 in words is "thirty-two billion, nine hundred eighty-six million, nine hundred one thousand, eight hundred six".