16505535254 has 24 divisors (see below), whose sum is σ = 27004829040. Its totient is φ = 7521435792.

The previous prime is 16505535181. The next prime is 16505535257. The reversal of 16505535254 is 45253550561.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16505535257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111407 + ... + 213125.

It is an arithmetic number, because the mean of its divisors is an integer number (1125201210).

Almost surely, 2^16505535254 is an apocalyptic number.

16505535254 is a deficient number, since it is larger than the sum of its proper divisors (10499293786).

16505535254 is a wasteful number, since it uses less digits than its factorization.

16505535254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101892 (or 101813 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 16505535254 in words is "sixteen billion, five hundred five million, five hundred thirty-five thousand, two hundred fifty-four".