2661425184 has 96 divisors (see below), whose sum is σ = 7649328960. Its totient is φ = 803532800.

The previous prime is 2661425177. The next prime is 2661425189. The reversal of 2661425184 is 4815241662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (2661425189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292252 + ... + 301220.

It is an arithmetic number, because the mean of its divisors is an integer number (79680510).

Almost surely, 2^2661425184 is an apocalyptic number.

2661425184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2661425184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3824664480).

2661425184 is an abundant number, since it is smaller than the sum of its proper divisors (4987903776).

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

2661425184 is a wasteful number, since it uses less digits than its factorization.

2661425184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274 (or 9266 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 2661425184 is about 51589.0025489929. The cubic root of 2661425184 is about 1385.8133924997.

The spelling of 2661425184 in words is "two billion, six hundred sixty-one million, four hundred twenty-five thousand, one hundred eighty-four".