1672108117 has 4 divisors (see below), whose sum is σ = 1770467436. Its totient is φ = 1573748800.

The previous prime is 1672108037. The next prime is 1672108127. The reversal of 1672108117 is 7118012761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1440885681 + 231222436 = 37959^2 + 15206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672108117 - 2²³ = 1663719509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672108127) 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, 49179634 + ... + 49179667.

It is an arithmetic number, because the mean of its divisors is an integer number (442616859).

Almost surely, 2^1672108117 is an apocalyptic number.

1672108117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1672108117 is a deficient number, since it is larger than the sum of its proper divisors (98359319).

1672108117 is an equidigital number, since it uses as much as digits as its factorization.

1672108117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98359318.

The product of its (nonzero) digits is 4704, while the sum is 34.

The square root of 1672108117 is about 40891.4186229825. The cubic root of 1672108117 is about 1186.9200103565.

The spelling of 1672108117 in words is "one billion, six hundred seventy-two million, one hundred eight thousand, one hundred seventeen".