66125948 has 24 divisors (see below), whose sum is σ = 135479904. Its totient is φ = 27648000.

The previous prime is 66125933. The next prime is 66125951. The reversal of 66125948 is 84952166.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27653 + ... + 29948.

It is an arithmetic number, because the mean of its divisors is an integer number (5644996).

Almost surely, 2^66125948 is an apocalyptic number.

It is an amenable number.

66125948 is an abundant number, since it is smaller than the sum of its proper divisors (69353956).

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

66125948 is a wasteful number, since it uses less digits than its factorization.

66125948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57653 (or 57651 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 66125948 is about 8131.7862736302. The cubic root of 66125948 is about 404.3809024028.

The spelling of 66125948 in words is "sixty-six million, one hundred twenty-five thousand, nine hundred forty-eight".