100165065 has 96 divisors (see below), whose sum is σ = 219252096. Its totient is φ = 38384640.

The previous prime is 100165057. The next prime is 100165073. The reversal of 100165065 is 560561001.

It is an interprime number because it is at equal distance from previous prime (100165057) and next prime (100165073).

It is not a de Polignac number, because 100165065 - 2³ = 100165057 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 104629 + ... + 105581.

It is an arithmetic number, because the mean of its divisors is an integer number (2283876).

Almost surely, 2^100165065 is an apocalyptic number.

100165065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100165065 is an abundant number, since it is smaller than the sum of its proper divisors (119087031).

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

100165065 is a wasteful number, since it uses less digits than its factorization.

100165065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 100165065 is about 10008.2498470012. The cubic root of 100165065 is about 464.4141309249.

It can be divided in two parts, 1001 and 65065, that added together give a palindrome (66066).

The spelling of 100165065 in words is "one hundred million, one hundred sixty-five thousand, sixty-five".