1566507241340 has 24 divisors (see below), whose sum is σ = 3307840160352. Its totient is φ = 623141000640.

The previous prime is 1566507241309. The next prime is 1566507241357. The reversal of 1566507241340 is 431427056651.

It is a junction number, because it is equal to n+sod(n) for n = 1566507241291 and 1566507241300.

It is a congruent number.

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, 216364784 + ... + 216372023.

It is an arithmetic number, because the mean of its divisors is an integer number (137826673348).

Almost surely, 2^{1566507241340} is an apocalyptic number.

1566507241340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1566507241340 is an abundant number, since it is smaller than the sum of its proper divisors (1741332919012).

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

1566507241340 is a wasteful number, since it uses less digits than its factorization.

1566507241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432736997 (or 432736995 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 1566507241340 in words is "one trillion, five hundred sixty-six billion, five hundred seven million, two hundred forty-one thousand, three hundred forty".