2661337632 has 48 divisors (see below), whose sum is σ = 7025084640. Its totient is φ = 882150912.

The previous prime is 2661337531. The next prime is 2661337649. The reversal of 2661337632 is 2367331662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60253 + ... + 94620.

It is an arithmetic number, because the mean of its divisors is an integer number (146355930).

Almost surely, 2^2661337632 is an apocalyptic number.

It is an amenable number.

2661337632 is an abundant number, since it is smaller than the sum of its proper divisors (4363747008).

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

2661337632 is a wasteful number, since it uses less digits than its factorization.

2661337632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155065 (or 155057 counting only the distinct ones).

The product of its digits is 163296, while the sum is 39.

The square root of 2661337632 is about 51588.1539890700. The cubic root of 2661337632 is about 1385.7981961223.

The spelling of 2661337632 in words is "two billion, six hundred sixty-one million, three hundred thirty-seven thousand, six hundred thirty-two".