8171354652 has 12 divisors (see below), whose sum is σ = 19066494216. Its totient is φ = 2723784880.

The previous prime is 8171354579. The next prime is 8171354663. The reversal of 8171354652 is 2564531718.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×8171354652² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340473099 + ... + 340473122.

It is an arithmetic number, because the mean of its divisors is an integer number (1588874518).

Almost surely, 2^8171354652 is an apocalyptic number.

It is an amenable number.

8171354652 is an abundant number, since it is smaller than the sum of its proper divisors (10895139564).

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

8171354652 is a wasteful number, since it uses less digits than its factorization.

8171354652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680946228 (or 680946226 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 8171354652 is about 90395.5455318458. The cubic root of 8171354652 is about 2014.1787976419.

The spelling of 8171354652 in words is "eight billion, one hundred seventy-one million, three hundred fifty-four thousand, six hundred fifty-two".