65766212025 has 24 divisors (see below), whose sum is σ = 110785052160. Its totient is φ = 34413512640.

The previous prime is 65766212011. The next prime is 65766212047. The reversal of 65766212025 is 52021266756.

It is not a de Polignac number, because 65766212025 - 2⁴ = 65766212009 is a prime.

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, 8268505 + ... + 8276454.

It is an arithmetic number, because the mean of its divisors is an integer number (4616043840).

Almost surely, 2^65766212025 is an apocalyptic number.

It is an amenable number.

65766212025 is a deficient number, since it is larger than the sum of its proper divisors (45018840135).

65766212025 is a wasteful number, since it uses less digits than its factorization.

65766212025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16545025 (or 16545020 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 65766212025 in words is "sixty-five billion, seven hundred sixty-six million, two hundred twelve thousand, twenty-five".