6658771622 has 8 divisors (see below), whose sum is σ = 10220440296. Its totient is φ = 3251958192.

The previous prime is 6658771621. The next prime is 6658771643. The reversal of 6658771622 is 2261778566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658771621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38713703 + ... + 38713874.

It is an arithmetic number, because the mean of its divisors is an integer number (1277555037).

Almost surely, 2^6658771622 is an apocalyptic number.

6658771622 is a deficient number, since it is larger than the sum of its proper divisors (3561668674).

6658771622 is a wasteful number, since it uses less digits than its factorization.

6658771622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77427622.

The product of its digits is 1693440, while the sum is 50.

The square root of 6658771622 is about 81601.2966931286. The cubic root of 6658771622 is about 1881.3288121388.

The spelling of 6658771622 in words is "six billion, six hundred fifty-eight million, seven hundred seventy-one thousand, six hundred twenty-two".