32691988640854 has 16 divisors (see below), whose sum is σ = 49846883858640. Its totient is φ = 16076414446560.

The previous prime is 32691988640821. The next prime is 32691988640873. The reversal of 32691988640854 is 45804688919623.

It is a super-2 number, since 2×32691988640854² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12217924 + ... + 14651335.

It is an arithmetic number, because the mean of its divisors is an integer number (3115430241165).

Almost surely, 2^{32691988640854} is an apocalyptic number.

32691988640854 is a deficient number, since it is larger than the sum of its proper divisors (17154895217786).

32691988640854 is a wasteful number, since it uses less digits than its factorization.

32691988640854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26879295.

The product of its (nonzero) digits is 716636160, while the sum is 73.

The spelling of 32691988640854 in words is "thirty-two trillion, six hundred ninety-one billion, nine hundred eighty-eight million, six hundred forty thousand, eight hundred fifty-four".