245436665066 has 8 divisors (see below), whose sum is σ = 387531576480. Its totient is φ = 116259472908.

The previous prime is 245436665063. The next prime is 245436665083. The reversal of 245436665066 is 660566634542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 245436664999 and 245436665017.

It is not an unprimeable number, because it can be changed into a prime (245436665063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3229429766 + ... + 3229429841.

It is an arithmetic number, because the mean of its divisors is an integer number (48441447060).

Almost surely, 2^245436665066 is an apocalyptic number.

245436665066 is a deficient number, since it is larger than the sum of its proper divisors (142094911414).

245436665066 is a wasteful number, since it uses less digits than its factorization.

245436665066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458859628.

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 245436665066 in words is "two hundred forty-five billion, four hundred thirty-six million, six hundred sixty-five thousand, sixty-six".