6156006555 has 16 divisors (see below), whose sum is σ = 10368011520. Its totient is φ = 3110403168.

The previous prime is 6156006553. The next prime is 6156006559. The reversal of 6156006555 is 5556006516.

6156006555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6156006555 - 2¹ = 6156006553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6156006553) 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, 10799727 + ... + 10800296.

It is an arithmetic number, because the mean of its divisors is an integer number (648000720).

Almost surely, 2^6156006555 is an apocalyptic number.

6156006555 is a deficient number, since it is larger than the sum of its proper divisors (4212004965).

6156006555 is a wasteful number, since it uses less digits than its factorization.

6156006555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600050.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 6156006555 is about 78460.2227565025. Note that the first 3 decimals coincide. The cubic root of 6156006555 is about 1832.7350737942.

Subtracting from 6156006555 its sum of digits (39), we obtain a palindrome (6156006516).

The spelling of 6156006555 in words is "six billion, one hundred fifty-six million, six thousand, five hundred fifty-five".