16434135642 has 8 divisors (see below), whose sum is σ = 32868271296. Its totient is φ = 5478045212.

The previous prime is 16434135631. The next prime is 16434135647. The reversal of 16434135642 is 24653143461.

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

16434135642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 16434135642.

It is not an unprimeable number, because it can be changed into a prime (16434135647) 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, 1369511298 + ... + 1369511309.

It is an arithmetic number, because the mean of its divisors is an integer number (4108533912).

Almost surely, 2^16434135642 is an apocalyptic number.

16434135642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16434135642 is a wasteful number, since it uses less digits than its factorization.

16434135642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739022612.

The product of its digits is 207360, while the sum is 39.

It can be divided in two parts, 16434 and 135642, that added together give a triangular number (152076 = T₅₅₁).

The spelling of 16434135642 in words is "sixteen billion, four hundred thirty-four million, one hundred thirty-five thousand, six hundred forty-two".