2206669816 has 64 divisors (see below), whose sum is σ = 4519620000. Its totient is φ = 1003968000.

The previous prime is 2206669799. The next prime is 2206669849. The reversal of 2206669816 is 6189666022.

2206669816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4421935 + ... + 4422433.

Almost surely, 2^2206669816 is an apocalyptic number.

2206669816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206669816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259810000).

2206669816 is an abundant number, since it is smaller than the sum of its proper divisors (2312950184).

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

2206669816 is a wasteful number, since it uses less digits than its factorization.

2206669816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 2206669816 is about 46975.2042677837. The cubic root of 2206669816 is about 1301.9044701709.

The spelling of 2206669816 in words is "two billion, two hundred six million, six hundred sixty-nine thousand, eight hundred sixteen".