1663862242 has 8 divisors (see below), whose sum is σ = 2852335296. Its totient is φ = 713083812.

The previous prime is 1663862237. The next prime is 1663862261. The reversal of 1663862242 is 2422683661.

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 = 1663862195 and 1663862204.

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, 59423638 + ... + 59423665.

It is an arithmetic number, because the mean of its divisors is an integer number (356541912).

Almost surely, 2^1663862242 is an apocalyptic number.

1663862242 is a deficient number, since it is larger than the sum of its proper divisors (1188473054).

1663862242 is a wasteful number, since it uses less digits than its factorization.

1663862242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118847312.

The product of its digits is 165888, while the sum is 40.

The square root of 1663862242 is about 40790.4675383845. The cubic root of 1663862242 is about 1184.9657255364.

The spelling of 1663862242 in words is "one billion, six hundred sixty-three million, eight hundred sixty-two thousand, two hundred forty-two".