516614689044 has 120 divisors (see below), whose sum is σ = 1360157375808. Its totient is φ = 170980053120.

The previous prime is 516614688973. The next prime is 516614689061. The reversal of 516614689044 is 440986416615.

516614689044 is a `hidden beast` number, since 5 + 16 + 614 + 6 + 8 + 9 + 0 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52533952 + ... + 52543784.

Almost surely, 2^516614689044 is an apocalyptic number.

516614689044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516614689044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680078687904).

516614689044 is an abundant number, since it is smaller than the sum of its proper divisors (843542686764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516614689044 is a wasteful number, since it uses less digits than its factorization.

516614689044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987 (or 10976 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 516614689044 in words is "five hundred sixteen billion, six hundred fourteen million, six hundred eighty-nine thousand, forty-four".