80541964188 has 72 divisors (see below), whose sum is σ = 233084691840. Its totient is φ = 22971647520.

The previous prime is 80541964171. The next prime is 80541964189. The reversal of 80541964188 is 88146914508.

It is a happy number.

80541964188 is a `hidden beast` number, since 8 + 0 + 541 + 96 + 4 + 1 + 8 + 8 = 666.

It is a super-2 number, since 2×80541964188² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80541964189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135978 + ... + 423761.

Almost surely, 2^80541964188 is an apocalyptic number.

It is an amenable number.

80541964188 is an abundant number, since it is smaller than the sum of its proper divisors (152542727652).

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

80541964188 is a wasteful number, since it uses less digits than its factorization.

80541964188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560327 (or 560322 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 80541964188 in words is "eighty billion, five hundred forty-one million, nine hundred sixty-four thousand, one hundred eighty-eight".