663625151 has 8 divisors (see below), whose sum is σ = 769749120. Its totient is φ = 560331288.

The previous prime is 663625133. The next prime is 663625159. The reversal of 663625151 is 151526366.

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

It is a cyclic number.

It is not a de Polignac number, because 663625151 - 2⁶ = 663625087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663625159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707021 + ... + 707958.

It is an arithmetic number, because the mean of its divisors is an integer number (96218640).

Almost surely, 2^663625151 is an apocalyptic number.

663625151 is a deficient number, since it is larger than the sum of its proper divisors (106123969).

663625151 is a wasteful number, since it uses less digits than its factorization.

663625151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415053.

The product of its digits is 32400, while the sum is 35.

The square root of 663625151 is about 25760.9229454226. The cubic root of 663625151 is about 872.2499349318.

The spelling of 663625151 in words is "six hundred sixty-three million, six hundred twenty-five thousand, one hundred fifty-one".