80541964198 has 4 divisors (see below), whose sum is σ = 120812946300. Its totient is φ = 40270982098.

The previous prime is 80541964189. The next prime is 80541964199. The reversal of 80541964198 is 89146914508.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80541964199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135491048 + ... + 20135491051.

It is an arithmetic number, because the mean of its divisors is an integer number (30203236575).

Almost surely, 2^80541964198 is an apocalyptic number.

80541964198 is a deficient number, since it is larger than the sum of its proper divisors (40270982102).

80541964198 is a wasteful number, since it uses less digits than its factorization.

80541964198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40270982101.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 80541964198 in words is "eighty billion, five hundred forty-one million, nine hundred sixty-four thousand, one hundred ninety-eight".