15665353342 has 16 divisors (see below), whose sum is σ = 24531328800. Its totient is φ = 7493199840.

The previous prime is 15665353289. The next prime is 15665353343. The reversal of 15665353342 is 24335356651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15665353343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232634 + ... + 1245277.

It is an arithmetic number, because the mean of its divisors is an integer number (1533208050).

Almost surely, 2^15665353342 is an apocalyptic number.

15665353342 is a deficient number, since it is larger than the sum of its proper divisors (8865975458).

15665353342 is a wasteful number, since it uses less digits than its factorization.

15665353342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478051.

The product of its digits is 972000, while the sum is 43.

The spelling of 15665353342 in words is "fifteen billion, six hundred sixty-five million, three hundred fifty-three thousand, three hundred forty-two".