1566125141 has 16 divisors (see below), whose sum is σ = 1890537600. Its totient is φ = 1267368768.

The previous prime is 1566125107. The next prime is 1566125161. The reversal of 1566125141 is 1415216651.

It is a cyclic number.

It is not a de Polignac number, because 1566125141 - 2¹⁰ = 1566124117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1566125098 and 1566125107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1566125161) 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, 18875 + ... + 59063.

It is an arithmetic number, because the mean of its divisors is an integer number (118158600).

Almost surely, 2^1566125141 is an apocalyptic number.

It is an amenable number.

1566125141 is a deficient number, since it is larger than the sum of its proper divisors (324412459).

1566125141 is a wasteful number, since it uses less digits than its factorization.

1566125141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40508.

The product of its digits is 7200, while the sum is 32.

The square root of 1566125141 is about 39574.2989956866. The cubic root of 1566125141 is about 1161.2939240192.

The spelling of 1566125141 in words is "one billion, five hundred sixty-six million, one hundred twenty-five thousand, one hundred forty-one".