1662828106 has 8 divisors (see below), whose sum is σ = 2640962340. Its totient is φ = 782507328.

The previous prime is 1662828077. The next prime is 1662828107. The reversal of 1662828106 is 6018282661.

It can be written as a sum of positive squares in 2 ways, for example, as 1370110225 + 292717881 = 37015^2 + 17109^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1662828107) 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, 24453321 + ... + 24453388.

Almost surely, 2^1662828106 is an apocalyptic number.

1662828106 is a deficient number, since it is larger than the sum of its proper divisors (978134234).

1662828106 is a wasteful number, since it uses less digits than its factorization.

1662828106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48906728.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1662828106 is about 40777.7893711761. The cubic root of 1662828106 is about 1184.7201784294.

The spelling of 1662828106 in words is "one billion, six hundred sixty-two million, eight hundred twenty-eight thousand, one hundred six".