4621658172 has 12 divisors (see below), whose sum is σ = 10783869096. Its totient is φ = 1540552720.

The previous prime is 4621658159. The next prime is 4621658183. The reversal of 4621658172 is 2718561264.

It is a happy number.

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

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, 192569079 + ... + 192569102.

It is an arithmetic number, because the mean of its divisors is an integer number (898655758).

Almost surely, 2^4621658172 is an apocalyptic number.

It is an amenable number.

4621658172 is an abundant number, since it is smaller than the sum of its proper divisors (6162210924).

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

4621658172 is a wasteful number, since it uses less digits than its factorization.

4621658172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385138188 (or 385138186 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 4621658172 is about 67982.7784957338. The cubic root of 4621658172 is about 1665.7095422040.

The spelling of 4621658172 in words is "four billion, six hundred twenty-one million, six hundred fifty-eight thousand, one hundred seventy-two".