66624360152 has 32 divisors (see below), whose sum is σ = 142812633600. Its totient is φ = 28544067744.

The previous prime is 66624360151. The next prime is 66624360157. The reversal of 66624360152 is 25106342666.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66624360151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16058 + ... + 365385.

It is an arithmetic number, because the mean of its divisors is an integer number (4462894800).

Almost surely, 2^66624360152 is an apocalyptic number.

It is an amenable number.

66624360152 is an abundant number, since it is smaller than the sum of its proper divisors (76188273448).

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

66624360152 is a wasteful number, since it uses less digits than its factorization.

66624360152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384575 (or 384571 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 66624360152 in words is "sixty-six billion, six hundred twenty-four million, three hundred sixty thousand, one hundred fifty-two".