845062606661 has 8 divisors (see below), whose sum is σ = 1040077054464. Its totient is φ = 668620963440.

The previous prime is 845062606639. The next prime is 845062606669. The reversal of 845062606661 is 166606260548.

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

It is a cyclic number.

It is not a de Polignac number, because 845062606661 - 2¹⁸ = 845062344517 is a prime.

It is a super-3 number, since 3×845062606661³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845062606669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4643201045 + ... + 4643201226.

It is an arithmetic number, because the mean of its divisors is an integer number (130009631808).

Almost surely, 2^845062606661 is an apocalyptic number.

It is an amenable number.

845062606661 is a deficient number, since it is larger than the sum of its proper divisors (195014447803).

845062606661 is a wasteful number, since it uses less digits than its factorization.

845062606661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286402291.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 845062606661 in words is "eight hundred forty-five billion, sixty-two million, six hundred six thousand, six hundred sixty-one".