81016410633 has 8 divisors (see below), whose sum is σ = 108026804928. Its totient is φ = 54008478384.

The previous prime is 81016410617. The next prime is 81016410637. The reversal of 81016410633 is 33601461018.

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

It is not a de Polignac number, because 81016410633 - 2⁴ = 81016410617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 81016410594 and 81016410603.

It is not an unprimeable number, because it can be changed into a prime (81016410637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 537310 + ... + 671367.

It is an arithmetic number, because the mean of its divisors is an integer number (13503350616).

Almost surely, 2^81016410633 is an apocalyptic number.

It is an amenable number.

81016410633 is a deficient number, since it is larger than the sum of its proper divisors (27010394295).

81016410633 is a wasteful number, since it uses less digits than its factorization.

81016410633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231023.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 81016410633 in words is "eighty-one billion, sixteen million, four hundred ten thousand, six hundred thirty-three".