5166851835381 has 8 divisors (see below), whose sum is σ = 7111365967104. Its totient is φ = 3333452796960.

The previous prime is 5166851835373. The next prime is 5166851835403. The reversal of 5166851835381 is 1835381586615.

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

It is not a de Polignac number, because 5166851835381 - 2³ = 5166851835373 is a prime.

It is a super-2 number, since 2×5166851835381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166851835371) 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, 27778773216 + ... + 27778773401.

It is an arithmetic number, because the mean of its divisors is an integer number (888920745888).

Almost surely, 2^{5166851835381} is an apocalyptic number.

It is an amenable number.

5166851835381 is a deficient number, since it is larger than the sum of its proper divisors (1944514131723).

5166851835381 is a wasteful number, since it uses less digits than its factorization.

5166851835381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55557546651.

The product of its digits is 20736000, while the sum is 60.

The spelling of 5166851835381 in words is "five trillion, one hundred sixty-six billion, eight hundred fifty-one million, eight hundred thirty-five thousand, three hundred eighty-one".