2661061160 has 32 divisors (see below), whose sum is σ = 6007848840. Its totient is φ = 1060786944.

The previous prime is 2661061147. The next prime is 2661061223. The reversal of 2661061160 is 611601662.

It can be written as a sum of positive squares in 4 ways, for example, as 2221991044 + 439070116 = 47138^2 + 20954^2 .

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, 101807 + ... + 125246.

Almost surely, 2^2661061160 is an apocalyptic number.

2661061160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2661061160 is an abundant number, since it is smaller than the sum of its proper divisors (3346787680).

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

2661061160 is a wasteful number, since it uses less digits than its factorization.

2661061160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227357 (or 227353 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2661061160 is about 51585.4743120580. The cubic root of 2661061160 is about 1385.7502067626.

The spelling of 2661061160 in words is "two billion, six hundred sixty-one million, sixty-one thousand, one hundred sixty".