1662106760 has 16 divisors (see below), whose sum is σ = 3739740300. Its totient is φ = 664842688.

The previous prime is 1662106739. The next prime is 1662106769. The reversal of 1662106760 is 676012661.

It can be written as a sum of positive squares in 2 ways, for example, as 1606246084 + 55860676 = 40078^2 + 7474^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1662106760.

It is not an unprimeable number, because it can be changed into a prime (1662106769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20776295 + ... + 20776374.

Almost surely, 2^1662106760 is an apocalyptic number.

1662106760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1662106760 is an abundant number, since it is smaller than the sum of its proper divisors (2077633540).

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

1662106760 is a wasteful number, since it uses less digits than its factorization.

1662106760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41552680 (or 41552676 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1662106760 is about 40768.9435722831. The cubic root of 1662106760 is about 1184.5488404611.

The spelling of 1662106760 in words is "one billion, six hundred sixty-two million, one hundred six thousand, seven hundred sixty".