16523450053 has 8 divisors (see below), whose sum is σ = 18034605216. Its totient is φ = 15013798800.

The previous prime is 16523450029. The next prime is 16523450059. The reversal of 16523450053 is 35005432561.

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

It is not a de Polignac number, because 16523450053 - 2²¹ = 16521352901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16523450059) 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, 352938 + ... + 397003.

It is an arithmetic number, because the mean of its divisors is an integer number (2254325652).

Almost surely, 2^16523450053 is an apocalyptic number.

It is an amenable number.

16523450053 is a deficient number, since it is larger than the sum of its proper divisors (1511155163).

16523450053 is a wasteful number, since it uses less digits than its factorization.

16523450053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751955.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 16523450053 in words is "sixteen billion, five hundred twenty-three million, four hundred fifty thousand, fifty-three".