6655213542 has 32 divisors (see below), whose sum is σ = 13505184000. Its totient is φ = 2185979040.

The previous prime is 6655213531. The next prime is 6655213547. The reversal of 6655213542 is 2453125566.

It is a self number, because there is not a number n which added to its sum of digits gives 6655213542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655213547) 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, 1168233 + ... + 1173915.

It is an arithmetic number, because the mean of its divisors is an integer number (422037000).

Almost surely, 2^6655213542 is an apocalyptic number.

6655213542 is an abundant number, since it is smaller than the sum of its proper divisors (6849970458).

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

6655213542 is a wasteful number, since it uses less digits than its factorization.

6655213542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508.

The product of its digits is 216000, while the sum is 39.

The square root of 6655213542 is about 81579.4921656172. The cubic root of 6655213542 is about 1880.9936596792.

The spelling of 6655213542 in words is "six billion, six hundred fifty-five million, two hundred thirteen thousand, five hundred forty-two".