1660106356 has 12 divisors (see below), whose sum is σ = 2915103492. Its totient is φ = 827219648.

The previous prime is 1660106339. The next prime is 1660106377. The reversal of 1660106356 is 6536010661.

It can be written as a sum of positive squares in 2 ways, for example, as 1181984400 + 478121956 = 34380^2 + 21866^2 .

It is a super-2 number, since 2×1660106356² = 5511906226463197472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707065 + ... + 709408.

It is an arithmetic number, because the mean of its divisors is an integer number (242925291).

Almost surely, 2^1660106356 is an apocalyptic number.

It is an amenable number.

1660106356 is a deficient number, since it is larger than the sum of its proper divisors (1254997136).

1660106356 is a wasteful number, since it uses less digits than its factorization.

1660106356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416770 (or 1416768 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1660106356 is about 40744.4027566978. The cubic root of 1660106356 is about 1184.0734342769.

The spelling of 1660106356 in words is "one billion, six hundred sixty million, one hundred six thousand, three hundred fifty-six".