5166366025 has 24 divisors (see below), whose sum is σ = 6519485504. Its totient is φ = 4060238400.

The previous prime is 5166366013. The next prime is 5166366041. The reversal of 5166366025 is 5206636615.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5166366025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1619482 + ... + 1622668.

Almost surely, 2^5166366025 is an apocalyptic number.

It is an amenable number.

5166366025 is a deficient number, since it is larger than the sum of its proper divisors (1353119479).

5166366025 is a wasteful number, since it uses less digits than its factorization.

5166366025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321 (or 4316 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 5166366025 is about 71877.4375238851. The cubic root of 5166366025 is about 1728.7348636291.

The spelling of 5166366025 in words is "five billion, one hundred sixty-six million, three hundred sixty-six thousand, twenty-five".