1662023404 has 24 divisors (see below), whose sum is σ = 3067064000. Its totient is φ = 785874960.

The previous prime is 1662023359. The next prime is 1662023431. The reversal of 1662023404 is 4043202661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24247 + ... + 62545.

Almost surely, 2^1662023404 is an apocalyptic number.

It is an amenable number.

1662023404 is a deficient number, since it is larger than the sum of its proper divisors (1405040596).

1662023404 is a wasteful number, since it uses less digits than its factorization.

1662023404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38893 (or 38891 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1662023404 is about 40767.9212616979. The cubic root of 1662023404 is about 1184.5290381022.

The spelling of 1662023404 in words is "one billion, six hundred sixty-two million, twenty-three thousand, four hundred four".