65657152 has 28 divisors (see below), whose sum is σ = 142134336. Its totient is φ = 29843840.

The previous prime is 65657143. The next prime is 65657153. The reversal of 65657152 is 25175656.

65657152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65657152² = 8621723217502208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65657153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45928 + ... + 47335.

Almost surely, 2^65657152 is an apocalyptic number.

It is an amenable number.

65657152 is an abundant number, since it is smaller than the sum of its proper divisors (76477184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65657152 is a wasteful number, since it uses less digits than its factorization.

65657152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93286 (or 93276 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 65657152 is about 8102.9100945278. The cubic root of 65657152 is about 403.4230237136.

The spelling of 65657152 in words is "sixty-five million, six hundred fifty-seven thousand, one hundred fifty-two".