15650566242 has 32 divisors (see below), whose sum is σ = 32401944000. Its totient is φ = 5033625408.

The previous prime is 15650566241. The next prime is 15650566291. The reversal of 15650566242 is 24266505651.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15650566194 and 15650566203.

It is not an unprimeable number, because it can be changed into a prime (15650566241) 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, 240493 + ... + 298559.

It is an arithmetic number, because the mean of its divisors is an integer number (1012560750).

Almost surely, 2^15650566242 is an apocalyptic number.

15650566242 is an abundant number, since it is smaller than the sum of its proper divisors (16751377758).

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

15650566242 is a wasteful number, since it uses less digits than its factorization.

15650566242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59650.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 15650566242 in words is "fifteen billion, six hundred fifty million, five hundred sixty-six thousand, two hundred forty-two".