1663747214 has 8 divisors (see below), whose sum is σ = 2495806128. Its totient is φ = 831811840.

The previous prime is 1663747187. The next prime is 1663747237. The reversal of 1663747214 is 4127473661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 18719 + ... + 60645.

It is an arithmetic number, because the mean of its divisors is an integer number (311975766).

Almost surely, 2^1663747214 is an apocalyptic number.

1663747214 is a deficient number, since it is larger than the sum of its proper divisors (832058914).

1663747214 is a wasteful number, since it uses less digits than its factorization.

1663747214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61770.

The product of its digits is 169344, while the sum is 41.

The square root of 1663747214 is about 40789.0575277243. The cubic root of 1663747214 is about 1184.9384181117.

The spelling of 1663747214 in words is "one billion, six hundred sixty-three million, seven hundred forty-seven thousand, two hundred fourteen".