1662004412 has 24 divisors (see below), whose sum is σ = 3014747904. Its totient is φ = 801176112.

The previous prime is 1662004397. The next prime is 1662004427. The reversal of 1662004412 is 2144002661.

It is an interprime number because it is at equal distance from previous prime (1662004397) and next prime (1662004427).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53378 + ... + 78569.

It is an arithmetic number, because the mean of its divisors is an integer number (125614496).

Almost surely, 2^1662004412 is an apocalyptic number.

It is an amenable number.

1662004412 is a deficient number, since it is larger than the sum of its proper divisors (1352743492).

1662004412 is a wasteful number, since it uses less digits than its factorization.

1662004412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132065 (or 132063 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1662004412 is about 40767.6883327961. The cubic root of 1662004412 is about 1184.5245262000.

The spelling of 1662004412 in words is "one billion, six hundred sixty-two million, four thousand, four hundred twelve".