6615156622 has 16 divisors (see below), whose sum is σ = 10447113600. Its totient is φ = 3132856440.

The previous prime is 6615156589. The next prime is 6615156631. The reversal of 6615156622 is 2266515166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208597 + ... + 238207.

It is an arithmetic number, because the mean of its divisors is an integer number (652944600).

Almost surely, 2^6615156622 is an apocalyptic number.

6615156622 is a deficient number, since it is larger than the sum of its proper divisors (3831956978).

6615156622 is a wasteful number, since it uses less digits than its factorization.

6615156622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35511.

The product of its digits is 129600, while the sum is 40.

The square root of 6615156622 is about 81333.6131129068. The cubic root of 6615156622 is about 1877.2122389255.

The spelling of 6615156622 in words is "six billion, six hundred fifteen million, one hundred fifty-six thousand, six hundred twenty-two".