663034371 has 4 divisors (see below), whose sum is σ = 884045832. Its totient is φ = 442022912.

The previous prime is 663034367. The next prime is 663034387. The reversal of 663034371 is 173430366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 663034371 - 2² = 663034367 is a prime.

It is a super-2 number, since 2×663034371² = 879229154254731282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (663034171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110505726 + ... + 110505731.

It is an arithmetic number, because the mean of its divisors is an integer number (221011458).

Almost surely, 2^663034371 is an apocalyptic number.

663034371 is a deficient number, since it is larger than the sum of its proper divisors (221011461).

663034371 is a wasteful number, since it uses less digits than its factorization.

663034371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221011460.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 663034371 is about 25749.4538000323. The cubic root of 663034371 is about 871.9910233028.

The spelling of 663034371 in words is "six hundred sixty-three million, thirty-four thousand, three hundred seventy-one".