66119025 has 24 divisors (see below), whose sum is σ = 124934464. Its totient is φ = 30225600.

The previous prime is 66118991. The next prime is 66119029. The reversal of 66119025 is 52091166.

It is not a de Polignac number, because 66119025 - 2⁶ = 66118961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66118983 and 66119001.

It is not an unprimeable number, because it can be changed into a prime (66119029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62446 + ... + 63495.

Almost surely, 2^66119025 is an apocalyptic number.

It is an amenable number.

66119025 is a deficient number, since it is larger than the sum of its proper divisors (58815439).

66119025 is a wasteful number, since it uses less digits than its factorization.

66119025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125961 (or 125956 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 66119025 is about 8131.3605872572. The cubic root of 66119025 is about 404.3667898052.

The spelling of 66119025 in words is "sixty-six million, one hundred nineteen thousand, twenty-five".