5166156615555 has 64 divisors (see below), whose sum is σ = 9192508416000. Its totient is φ = 2460311884800.

The previous prime is 5166156615551. The next prime is 5166156615583. The reversal of 5166156615555 is 5555166516615.

It is not a de Polignac number, because 5166156615555 - 2² = 5166156615551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5166156615495 and 5166156615504.

It is not an unprimeable number, because it can be changed into a prime (5166156615551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15069946 + ... + 15408944.

It is an arithmetic number, because the mean of its divisors is an integer number (143632944000).

Almost surely, 2^{5166156615555} is an apocalyptic number.

5166156615555 is a deficient number, since it is larger than the sum of its proper divisors (4026351800445).

5166156615555 is a wasteful number, since it uses less digits than its factorization.

5166156615555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341572.

The product of its digits is 20250000, while the sum is 57.

The spelling of 5166156615555 in words is "five trillion, one hundred sixty-six billion, one hundred fifty-six million, six hundred fifteen thousand, five hundred fifty-five".