1662475426 has 8 divisors (see below), whose sum is σ = 2494345680. Its totient is φ = 831026868.

The previous prime is 1662475393. The next prime is 1662475439. The reversal of 1662475426 is 6245742661.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95376 + ... + 111451.

It is an arithmetic number, because the mean of its divisors is an integer number (311793210).

Almost surely, 2^1662475426 is an apocalyptic number.

1662475426 is a deficient number, since it is larger than the sum of its proper divisors (831870254).

1662475426 is a wasteful number, since it uses less digits than its factorization.

1662475426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210848.

The product of its digits is 483840, while the sum is 43.

The square root of 1662475426 is about 40773.4647289141. The cubic root of 1662475426 is about 1184.6364141777.

The spelling of 1662475426 in words is "one billion, six hundred sixty-two million, four hundred seventy-five thousand, four hundred twenty-six".