516085400369 has 8 divisors (see below), whose sum is σ = 643431148608. Its totient is φ = 402144467760.

The previous prime is 516085400357. The next prime is 516085400399. The reversal of 516085400369 is 963004580615.

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 516085400369 - 2⁸ = 516085400113 is a prime.

It is a super-2 number, since 2×516085400369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516085400399) 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, 3351203822 + ... + 3351203975.

It is an arithmetic number, because the mean of its divisors is an integer number (80428893576).

Almost surely, 2^516085400369 is an apocalyptic number.

It is an amenable number.

516085400369 is a deficient number, since it is larger than the sum of its proper divisors (127345748239).

516085400369 is a wasteful number, since it uses less digits than its factorization.

516085400369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702407815.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 516085400369 in words is "five hundred sixteen billion, eighty-five million, four hundred thousand, three hundred sixty-nine".