64655151 has 16 divisors (see below), whose sum is σ = 95335680. Its totient is φ = 38646720.

The previous prime is 64655147. The next prime is 64655153. The reversal of 64655151 is 15155646.

It is not a de Polignac number, because 64655151 - 2² = 64655147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64655153) 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 15 ways as a sum of consecutive naturals, for example, 11011 + ... + 15828.

It is an arithmetic number, because the mean of its divisors is an integer number (5958480).

Almost surely, 2^64655151 is an apocalyptic number.

64655151 is a deficient number, since it is larger than the sum of its proper divisors (30680529).

64655151 is a wasteful number, since it uses less digits than its factorization.

64655151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26926.

The product of its digits is 18000, while the sum is 33.

The square root of 64655151 is about 8040.8426797196. The cubic root of 64655151 is about 401.3602668582.

The spelling of 64655151 in words is "sixty-four million, six hundred fifty-five thousand, one hundred fifty-one".