80181642998 has 16 divisors (see below), whose sum is σ = 120932193024. Its totient is φ = 39871016640.

The previous prime is 80181642929. The next prime is 80181643079. The reversal of 80181642998 is 89924618108.

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, 1655786 + ... + 1703522.

It is an arithmetic number, because the mean of its divisors is an integer number (7558262064).

Almost surely, 2^80181642998 is an apocalyptic number.

80181642998 is a deficient number, since it is larger than the sum of its proper divisors (40750550026).

80181642998 is a wasteful number, since it uses less digits than its factorization.

80181642998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52327.

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 80181642998 in words is "eighty billion, one hundred eighty-one million, six hundred forty-two thousand, nine hundred ninety-eight".