81074182360 has 16 divisors (see below), whose sum is σ = 182416910400. Its totient is φ = 32429672928.

The previous prime is 81074182349. The next prime is 81074182379. The reversal of 81074182360 is 6328147018.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2026854559 = 81074182360 / (8 + 1 + 0 + 7 + 4 + 1 + 8 + 2 + 3 + 6 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013427240 + ... + 1013427319.

It is an arithmetic number, because the mean of its divisors is an integer number (11401056900).

Almost surely, 2^81074182360 is an apocalyptic number.

It is an amenable number.

81074182360 is an abundant number, since it is smaller than the sum of its proper divisors (101342728040).

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

81074182360 is a wasteful number, since it uses less digits than its factorization.

81074182360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026854570 (or 2026854566 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 81074182360 in words is "eighty-one billion, seventy-four million, one hundred eighty-two thousand, three hundred sixty".