830641165072 has 20 divisors (see below), whose sum is σ = 1679339747520. Its totient is φ = 397263165728.

The previous prime is 830641165063. The next prime is 830641165073. The reversal of 830641165072 is 270561146038.

It is a super-2 number, since 2×830641165072² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (830641165073) 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, 1128588172 + ... + 1128588907.

It is an arithmetic number, because the mean of its divisors is an integer number (83966987376).

Almost surely, 2^830641165072 is an apocalyptic number.

It is an amenable number.

830641165072 is an abundant number, since it is smaller than the sum of its proper divisors (848698582448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830641165072 is a wasteful number, since it uses less digits than its factorization.

830641165072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257177110 (or 2257177104 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 830641165072 in words is "eight hundred thirty billion, six hundred forty-one million, one hundred sixty-five thousand, seventy-two".