102406165 has 8 divisors (see below), whose sum is σ = 123772320. Its totient is φ = 81334992.

The previous prime is 102406141. The next prime is 102406247. The reversal of 102406165 is 561604201.

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

It is a cyclic number.

It is not a de Polignac number, because 102406165 - 2⁵ = 102406133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72979 + ... + 74368.

It is an arithmetic number, because the mean of its divisors is an integer number (15471540).

Almost surely, 2^102406165 is an apocalyptic number.

It is an amenable number.

102406165 is a deficient number, since it is larger than the sum of its proper divisors (21366155).

102406165 is a wasteful number, since it uses less digits than its factorization.

102406165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147491.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 102406165 is about 10119.5931242318. The cubic root of 102406165 is about 467.8522267639.

The spelling of 102406165 in words is "one hundred two million, four hundred six thousand, one hundred sixty-five".