1566126342 has 24 divisors (see below), whose sum is σ = 3701753640. Its totient is φ = 474583680.

The previous prime is 1566126299. The next prime is 1566126347. The reversal of 1566126342 is 2436216651.

1566126342 is a `hidden beast` number, since 1 + 5 + 6 + 6 + 12 + 634 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1566126297 and 1566126306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1566126347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3954667 + ... + 3955062.

It is an arithmetic number, because the mean of its divisors is an integer number (154239735).

Almost surely, 2^1566126342 is an apocalyptic number.

1566126342 is an abundant number, since it is smaller than the sum of its proper divisors (2135627298).

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

1566126342 is a wasteful number, since it uses less digits than its factorization.

1566126342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909748 (or 7909745 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1566126342 is about 39574.3141696732. The cubic root of 1566126342 is about 1161.2942208694.

The spelling of 1566126342 in words is "one billion, five hundred sixty-six million, one hundred twenty-six thousand, three hundred forty-two".