81060817962 has 8 divisors (see below), whose sum is σ = 162121635936. Its totient is φ = 27020272652.

The previous prime is 81060817921. The next prime is 81060817967. The reversal of 81060817962 is 26971806018.

It is a sphenic number, since it is the product of 3 distinct primes.

81060817962 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (81060817967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6755068158 + ... + 6755068169.

It is an arithmetic number, because the mean of its divisors is an integer number (20265204492).

Almost surely, 2^81060817962 is an apocalyptic number.

81060817962 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

81060817962 is a wasteful number, since it uses less digits than its factorization.

81060817962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510136332.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 81060817962 in words is "eighty-one billion, sixty million, eight hundred seventeen thousand, nine hundred sixty-two".