2661134152 has 8 divisors (see below), whose sum is σ = 4989626550. Its totient is φ = 1330567072.

The previous prime is 2661134141. The next prime is 2661134153. The reversal of 2661134152 is 2514311662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2639287876 + 21846276 = 51374^2 + 4674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2661134153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166320877 + ... + 166320892.

Almost surely, 2^2661134152 is an apocalyptic number.

It is an amenable number.

2661134152 is a deficient number, since it is larger than the sum of its proper divisors (2328492398).

2661134152 is a wasteful number, since it uses less digits than its factorization.

2661134152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332641775 (or 332641771 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 2661134152 is about 51586.1817931895. The cubic root of 2661134152 is about 1385.7628768652.

The spelling of 2661134152 in words is "two billion, six hundred sixty-one million, one hundred thirty-four thousand, one hundred fifty-two".