516264453661 has 16 divisors (see below), whose sum is σ = 566416281600. Its totient is φ = 466649748400.

The previous prime is 516264453659. The next prime is 516264453701. The reversal of 516264453661 is 166354462615.

It is not a de Polignac number, because 516264453661 - 2¹ = 516264453659 is a prime.

It is a super-2 number, since 2×516264453661² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516264453361) 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 15 ways as a sum of consecutive naturals, for example, 24560646 + ... + 24581656.

It is an arithmetic number, because the mean of its divisors is an integer number (35401017600).

Almost surely, 2^516264453661 is an apocalyptic number.

It is an amenable number.

516264453661 is a deficient number, since it is larger than the sum of its proper divisors (50151827939).

516264453661 is a wasteful number, since it uses less digits than its factorization.

516264453661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33680.

The product of its digits is 3110400, while the sum is 49.

The spelling of 516264453661 in words is "five hundred sixteen billion, two hundred sixty-four million, four hundred fifty-three thousand, six hundred sixty-one".