1663436214 has 24 divisors (see below), whose sum is σ = 3931758792. Its totient is φ = 504071520.

The previous prime is 1663436207. The next prime is 1663436227. The reversal of 1663436214 is 4126343661.

1663436214 is a `hidden beast` number, since 1 + 6 + 6 + 3 + 436 + 214 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4200399 + ... + 4200794.

It is an arithmetic number, because the mean of its divisors is an integer number (163823283).

Almost surely, 2^1663436214 is an apocalyptic number.

1663436214 is an abundant number, since it is smaller than the sum of its proper divisors (2268322578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1663436214 is a wasteful number, since it uses less digits than its factorization.

1663436214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401212 (or 8401209 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 1663436214 is about 40785.2450525922. The cubic root of 1663436214 is about 1184.8645810108.

Adding to 1663436214 its reverse (4126343661), we get a palindrome (5789779875).

The spelling of 1663436214 in words is "one billion, six hundred sixty-three million, four hundred thirty-six thousand, two hundred fourteen".