1617130667 has 4 divisors (see below), whose sum is σ = 1687440720. Its totient is φ = 1546820616.

The previous prime is 1617130663. The next prime is 1617130699. The reversal of 1617130667 is 7660317161.

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

It is a cyclic number.

It is not a de Polignac number, because 1617130667 - 2² = 1617130663 is a prime.

It is a super-2 number, since 2×1617130667² = 5230223188303729778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1617130667.

It is not an unprimeable number, because it can be changed into a prime (1617130663) 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, 35154992 + ... + 35155037.

It is an arithmetic number, because the mean of its divisors is an integer number (421860180).

Almost surely, 2^1617130667 is an apocalyptic number.

1617130667 is a deficient number, since it is larger than the sum of its proper divisors (70310053).

1617130667 is an equidigital number, since it uses as much as digits as its factorization.

1617130667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70310052.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1617130667 is about 40213.5632218783. The cubic root of 1617130667 is about 1173.7664838680.

The spelling of 1617130667 in words is "one billion, six hundred seventeen million, one hundred thirty thousand, six hundred sixty-seven".