81417106 has 8 divisors (see below), whose sum is σ = 122286780. Its totient is φ = 40654848.

The previous prime is 81417073. The next prime is 81417137. The reversal of 81417106 is 60171418.

It can be written as a sum of positive squares in 2 ways, for example, as 81162081 + 255025 = 9009^2 + 505^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24931 + ... + 28006.

Almost surely, 2^81417106 is an apocalyptic number.

81417106 is a deficient number, since it is larger than the sum of its proper divisors (40869674).

81417106 is a wasteful number, since it uses less digits than its factorization.

81417106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53708.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 81417106 is about 9023.1428005989. The cubic root of 81417106 is about 433.4162801112.

The spelling of 81417106 in words is "eighty-one million, four hundred seventeen thousand, one hundred six".