16553050015 has 8 divisors (see below), whose sum is σ = 19973405088. Its totient is φ = 13169276640.

The previous prime is 16553049977. The next prime is 16553050027. The reversal of 16553050015 is 51005035561.

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

It is not a de Polignac number, because 16553050015 - 2¹⁹ = 16552525727 is a prime.

It is a Duffinian number.

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, 9144427 + ... + 9146236.

It is an arithmetic number, because the mean of its divisors is an integer number (2496675636).

Almost surely, 2^16553050015 is an apocalyptic number.

16553050015 is a deficient number, since it is larger than the sum of its proper divisors (3420355073).

16553050015 is a wasteful number, since it uses less digits than its factorization.

16553050015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18290849.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 16553050015 its reverse (51005035561), we get a palindrome (67558085576).

The spelling of 16553050015 in words is "sixteen billion, five hundred fifty-three million, fifty thousand, fifteen".