80198806068 has 36 divisors (see below), whose sum is σ = 203018201568. Its totient is φ = 26694239760.

The previous prime is 80198806049. The next prime is 80198806087. The reversal of 80198806068 is 86060889108.

It is an interprime number because it is at equal distance from previous prime (80198806049) and next prime (80198806087).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1587096 + ... + 1636847.

It is an arithmetic number, because the mean of its divisors is an integer number (5639394488).

Almost surely, 2^80198806068 is an apocalyptic number.

It is an amenable number.

80198806068 is an abundant number, since it is smaller than the sum of its proper divisors (122819395500).

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

80198806068 is a wasteful number, since it uses less digits than its factorization.

80198806068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224644 (or 3224639 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 80198806068 in words is "eighty billion, one hundred ninety-eight million, eight hundred six thousand, sixty-eight".