6156551568 has 80 divisors (see below), whose sum is σ = 16080685056. Its totient is φ = 2029547520.

The previous prime is 6156551567. The next prime is 6156551623. The reversal of 6156551568 is 8651556516.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6156551567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2150458 + ... + 2153318.

Almost surely, 2^6156551568 is an apocalyptic number.

It is an amenable number.

6156551568 is an abundant number, since it is smaller than the sum of its proper divisors (9924133488).

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

6156551568 is a wasteful number, since it uses less digits than its factorization.

6156551568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352 (or 3346 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 48.

The square root of 6156551568 is about 78463.6958599326. The cubic root of 6156551568 is about 1832.7891583676.

The spelling of 6156551568 in words is "six billion, one hundred fifty-six million, five hundred fifty-one thousand, five hundred sixty-eight".