516601671611 has 8 divisors (see below), whose sum is σ = 529245458448. Its totient is φ = 503959968000.

The previous prime is 516601671583. The next prime is 516601671661. The reversal of 516601671611 is 116176106615.

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 516601671611 - 2²² = 516597477307 is a prime.

It is a super-2 number, since 2×516601671611² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516601671661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12785 + ... + 1016546.

It is an arithmetic number, because the mean of its divisors is an integer number (66155682306).

Almost surely, 2^516601671611 is an apocalyptic number.

516601671611 is a deficient number, since it is larger than the sum of its proper divisors (12643786837).

516601671611 is a wasteful number, since it uses less digits than its factorization.

516601671611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041613.

The product of its (nonzero) digits is 45360, while the sum is 41.

It can be divided in two parts, 51660 and 1671611, that added together give a palindrome (1723271).

The spelling of 516601671611 in words is "five hundred sixteen billion, six hundred one million, six hundred seventy-one thousand, six hundred eleven".