1672117559 has 8 divisors (see below), whose sum is σ = 1917218688. Its totient is φ = 1428573240.

The previous prime is 1672117547. The next prime is 1672117571. The reversal of 1672117559 is 9557112761.

It is an interprime number because it is at equal distance from previous prime (1672117547) and next prime (1672117571).

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 1672117559 - 2⁸ = 1672117303 is a prime.

It is a super-2 number, since 2×1672117559² = 5591954262232236962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672117159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386897 + ... + 391194.

It is an arithmetic number, because the mean of its divisors is an integer number (239652336).

Almost surely, 2^1672117559 is an apocalyptic number.

1672117559 is a deficient number, since it is larger than the sum of its proper divisors (245101129).

1672117559 is an equidigital number, since it uses as much as digits as its factorization.

1672117559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778405.

The product of its digits is 132300, while the sum is 44.

The square root of 1672117559 is about 40891.5340749158. The cubic root of 1672117559 is about 1186.9222444381.

The spelling of 1672117559 in words is "one billion, six hundred seventy-two million, one hundred seventeen thousand, five hundred fifty-nine".