1611061552 has 20 divisors (see below), whose sum is σ = 3174339240. Its totient is φ = 791877248.

The previous prime is 1611061531. The next prime is 1611061553. The reversal of 1611061552 is 2551601161.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1611061552.

It is not an unprimeable number, because it can be changed into a prime (1611061553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852373 + ... + 854260.

It is an arithmetic number, because the mean of its divisors is an integer number (158716962).

Almost surely, 2^1611061552 is an apocalyptic number.

It is an amenable number.

1611061552 is a deficient number, since it is larger than the sum of its proper divisors (1563277688).

1611061552 is a wasteful number, since it uses less digits than its factorization.

1611061552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706700 (or 1706694 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1611061552 is about 40138.0312422022. The cubic root of 1611061552 is about 1172.2962554854.

The spelling of 1611061552 in words is "one billion, six hundred eleven million, sixty-one thousand, five hundred fifty-two".