6461834148 has 216 divisors, whose sum is σ = 20807090304. Its totient is φ = 1654836480.

The previous prime is 6461834129. The next prime is 6461834173. The reversal of 6461834148 is 8414381646.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2224465 + ... + 2227367.

Almost surely, 2^6461834148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6461834148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10403545152).

6461834148 is an abundant number, since it is smaller than the sum of its proper divisors (14345256156).

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

6461834148 is a wasteful number, since it uses less digits than its factorization.

6461834148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015 (or 2999 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 6461834148 is about 80385.5344449485. The cubic root of 6461834148 is about 1862.5957272120.

The spelling of 6461834148 in words is "six billion, four hundred sixty-one million, eight hundred thirty-four thousand, one hundred forty-eight".