1662337663 has 16 divisors (see below), whose sum is σ = 1911029824. Its totient is φ = 1416476160.

The previous prime is 1662337643. The next prime is 1662337669. The reversal of 1662337663 is 3667332661.

It is a cyclic number.

It is not a de Polignac number, because 1662337663 - 2⁵ = 1662337631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662337669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281031 + ... + 1282327.

It is an arithmetic number, because the mean of its divisors is an integer number (119439364).

Almost surely, 2^1662337663 is an apocalyptic number.

1662337663 is a deficient number, since it is larger than the sum of its proper divisors (248692161).

1662337663 is a wasteful number, since it uses less digits than its factorization.

1662337663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242.

The product of its digits is 489888, while the sum is 43.

The square root of 1662337663 is about 40771.7753231325. The cubic root of 1662337663 is about 1184.6036911728.

The spelling of 1662337663 in words is "one billion, six hundred sixty-two million, three hundred thirty-seven thousand, six hundred sixty-three".