15516142406 has 8 divisors (see below), whose sum is σ = 24499172280. Its totient is φ = 7349751648.

The previous prime is 15516142399. The next prime is 15516142409. The reversal of 15516142406 is 60424161551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15516142409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204159731 + ... + 204159806.

It is an arithmetic number, because the mean of its divisors is an integer number (3062396535).

Almost surely, 2^15516142406 is an apocalyptic number.

15516142406 is a deficient number, since it is larger than the sum of its proper divisors (8983029874).

15516142406 is a wasteful number, since it uses less digits than its factorization.

15516142406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408319558.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 15516142406 in words is "fifteen billion, five hundred sixteen million, one hundred forty-two thousand, four hundred six".