516660205231461 has 8 divisors (see below), whose sum is σ = 689048580590560. Its totient is φ = 344355983346672.

The previous prime is 516660205231459. The next prime is 516660205231519. The reversal of 516660205231461 is 164132502066615.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 516660205231461 - 2¹ = 516660205231459 is a prime.

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 516660205231461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516660205233461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21038354251 + ... + 21038378808.

It is an arithmetic number, because the mean of its divisors is an integer number (86131072573820).

Almost surely, 2^{516660205231461} is an apocalyptic number.

It is an amenable number.

516660205231461 is a deficient number, since it is larger than the sum of its proper divisors (172388375359099).

516660205231461 is a wasteful number, since it uses less digits than its factorization.

516660205231461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42076737155.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 516660205231461 in words is "five hundred sixteen trillion, six hundred sixty billion, two hundred five million, two hundred thirty-one thousand, four hundred sixty-one".