63648151 has 4 divisors (see below), whose sum is σ = 72740752. Its totient is φ = 54555552.

The previous prime is 63648149. The next prime is 63648173. The reversal of 63648151 is 15184636.

It is a happy number.

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 63648151 - 2¹ = 63648149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63648131) 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, 4546290 + ... + 4546303.

It is an arithmetic number, because the mean of its divisors is an integer number (18185188).

Almost surely, 2^63648151 is an apocalyptic number.

63648151 is a deficient number, since it is larger than the sum of its proper divisors (9092601).

63648151 is an equidigital number, since it uses as much as digits as its factorization.

63648151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092600.

The product of its digits is 17280, while the sum is 34.

The square root of 63648151 is about 7977.9791300805. The cubic root of 63648151 is about 399.2656338409.

The spelling of 63648151 in words is "sixty-three million, six hundred forty-eight thousand, one hundred fifty-one".