5166156555 has 48 divisors (see below), whose sum is σ = 10241736960. Its totient is φ = 2359865664.

The previous prime is 5166156553. The next prime is 5166156557. The reversal of 5166156555 is 5556516615.

It is an interprime number because it is at equal distance from previous prime (5166156553) and next prime (5166156557).

It is not a de Polignac number, because 5166156555 - 2¹ = 5166156553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5166156555.

It is not an unprimeable number, because it can be changed into a prime (5166156553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 461616 + ... + 472674.

It is an arithmetic number, because the mean of its divisors is an integer number (213369520).

Almost surely, 2^5166156555 is an apocalyptic number.

5166156555 is a deficient number, since it is larger than the sum of its proper divisors (5075580405).

5166156555 is a wasteful number, since it uses less digits than its factorization.

5166156555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12560 (or 12557 counting only the distinct ones).

The product of its digits is 675000, while the sum is 45.

The square root of 5166156555 is about 71875.9803759225. The cubic root of 5166156555 is about 1728.7114994963.

The spelling of 5166156555 in words is "five billion, one hundred sixty-six million, one hundred fifty-six thousand, five hundred fifty-five".