6021661216 has 24 divisors (see below), whose sum is σ = 12237571584. Its totient is φ = 2913706560.

The previous prime is 6021661207. The next prime is 6021661223. The reversal of 6021661216 is 6121661206.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3034120 + ... + 3036103.

It is an arithmetic number, because the mean of its divisors is an integer number (509898816).

Almost surely, 2^6021661216 is an apocalyptic number.

It is an amenable number.

6021661216 is an abundant number, since it is smaller than the sum of its proper divisors (6215910368).

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

6021661216 is a wasteful number, since it uses less digits than its factorization.

6021661216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070264 (or 6070256 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6021661216 is about 77599.3635025443. The cubic root of 6021661216 is about 1819.3046911278.

The spelling of 6021661216 in words is "six billion, twenty-one million, six hundred sixty-one thousand, two hundred sixteen".