663464151 has 48 divisors (see below), whose sum is σ = 1162646784. Its totient is φ = 355905792.

The previous prime is 663464149. The next prime is 663464159. The reversal of 663464151 is 151464366.

It is a happy number.

663464151 is a `hidden beast` number, since 6 + 6 + 3 + 4 + 641 + 5 + 1 = 666.

It is not a de Polignac number, because 663464151 - 2¹ = 663464149 is a prime.

Its product of digits (51840) is a multiple of the sum of its prime factors (1620).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663464159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 731040 + ... + 731946.

It is an arithmetic number, because the mean of its divisors is an integer number (24221808).

Almost surely, 2^663464151 is an apocalyptic number.

663464151 is a deficient number, since it is larger than the sum of its proper divisors (499182633).

663464151 is a wasteful number, since it uses less digits than its factorization.

663464151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1617 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 663464151 is about 25757.7978678302. The cubic root of 663464151 is about 872.1793912936.

The spelling of 663464151 in words is "six hundred sixty-three million, four hundred sixty-four thousand, one hundred fifty-one".