6551052156 has 72 divisors (see below), whose sum is σ = 18077243184. Its totient is φ = 1983824640.

The previous prime is 6551052143. The next prime is 6551052173. The reversal of 6551052156 is 6512501556.

6551052156 is a `hidden beast` number, since 6 + 551 + 0 + 52 + 1 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6551052156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 689470 + ... + 698906.

It is an arithmetic number, because the mean of its divisors is an integer number (251072822).

Almost surely, 2^6551052156 is an apocalyptic number.

6551052156 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6551052156 is an abundant number, since it is smaller than the sum of its proper divisors (11526191028).

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

6551052156 is a wasteful number, since it uses less digits than its factorization.

6551052156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11211 (or 11206 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 6551052156 is about 80938.5702616497. The cubic root of 6551052156 is about 1871.1288099205.

The spelling of 6551052156 in words is "six billion, five hundred fifty-one million, fifty-two thousand, one hundred fifty-six".