66526152 has 64 divisors (see below), whose sum is σ = 207360000. Its totient is φ = 17279040.

The previous prime is 66526139. The next prime is 66526153. The reversal of 66526152 is 25162566.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (66526153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16152 + ... + 19847.

It is an arithmetic number, because the mean of its divisors is an integer number (3240000).

Almost surely, 2^66526152 is an apocalyptic number.

It is an amenable number.

66526152 is an abundant number, since it is smaller than the sum of its proper divisors (140833848).

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

66526152 is a wasteful number, since it uses less digits than its factorization.

66526152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36026 (or 36022 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 66526152 is about 8156.3565395341. The cubic root of 66526152 is about 405.1950531261.

The spelling of 66526152 in words is "sixty-six million, five hundred twenty-six thousand, one hundred fifty-two".