1663253354 has 24 divisors (see below), whose sum is σ = 2995832448. Its totient is φ = 689827320.

The previous prime is 1663253329. The next prime is 1663253377. The reversal of 1663253354 is 4533523661.

It is a Curzon 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, 270704 + ... + 276779.

It is an arithmetic number, because the mean of its divisors is an integer number (124826352).

Almost surely, 2^1663253354 is an apocalyptic number.

1663253354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1663253354 is a deficient number, since it is larger than the sum of its proper divisors (1332579094).

1663253354 is a wasteful number, since it uses less digits than its factorization.

1663253354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547530 (or 547523 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

The square root of 1663253354 is about 40783.0032489026. The cubic root of 1663253354 is about 1184.8211623984.

The spelling of 1663253354 in words is "one billion, six hundred sixty-three million, two hundred fifty-three thousand, three hundred fifty-four".