845395658116 has 27 divisors (see below), whose sum is σ = 1484580133701. Its totient is φ = 421234977744.

The previous prime is 845395658113. The next prime is 845395658123. The reversal of 845395658116 is 611856593548.

It is a happy number.

The square root of 845395658116 is 919454.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34488204100 + 810907454016 = 185710^2 + 900504^2 .

It is a super-2 number, since 2×845395658116² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845395658113) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 696945526 + ... + 696946738.

Almost surely, 2^845395658116 is an apocalyptic number.

845395658116 is the 919454-th square number.

It is an amenable number.

845395658116 is a deficient number, since it is larger than the sum of its proper divisors (639184475585).

845395658116 is an frugal number, since it uses more digits than its factorization.

845395658116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188 (or 1594 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 61.

The spelling of 845395658116 in words is "eight hundred forty-five billion, three hundred ninety-five million, six hundred fifty-eight thousand, one hundred sixteen".