1662170126 has 8 divisors (see below), whose sum is σ = 2493643320. Its totient is φ = 830955688.

The previous prime is 1662170123. The next prime is 1662170143. The reversal of 1662170126 is 6210712661.

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

It is a junction number, because it is equal to n+sod(n) for n = 1662170092 and 1662170101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662170123) 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, 47741 + ... + 74856.

It is an arithmetic number, because the mean of its divisors is an integer number (311705415).

Almost surely, 2^1662170126 is an apocalyptic number.

1662170126 is a deficient number, since it is larger than the sum of its proper divisors (831473194).

1662170126 is a wasteful number, since it uses less digits than its factorization.

1662170126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129378.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1662170126 is about 40769.7207005395. The cubic root of 1662170126 is about 1184.5638934789.

Adding to 1662170126 its reverse (6210712661), we get a palindrome (7872882787).

The spelling of 1662170126 in words is "one billion, six hundred sixty-two million, one hundred seventy thousand, one hundred twenty-six".