516655675051638 has 32 divisors (see below), whose sum is σ = 1048740092257536. Its totient is φ = 169647131642208.

The previous prime is 516655675051627. The next prime is 516655675051639. The reversal of 516655675051638 is 836150576556615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516655675051639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66061420 + ... + 73467152.

It is an arithmetic number, because the mean of its divisors is an integer number (32773127883048).

Almost surely, 2^{516655675051638} is an apocalyptic number.

516655675051638 is an abundant number, since it is smaller than the sum of its proper divisors (532084417205898).

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

516655675051638 is a wasteful number, since it uses less digits than its factorization.

516655675051638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7579348.

The product of its (nonzero) digits is 680400000, while the sum is 69.

The spelling of 516655675051638 in words is "five hundred sixteen trillion, six hundred fifty-five billion, six hundred seventy-five million, fifty-one thousand, six hundred thirty-eight".