16153535442 has 32 divisors (see below), whose sum is σ = 35290499904. Its totient is φ = 4888563200.

The previous prime is 16153535389. The next prime is 16153535527. The reversal of 16153535442 is 24453535161.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16153535442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110583 + ... + 211034.

It is an arithmetic number, because the mean of its divisors is an integer number (1102828122).

Almost surely, 2^16153535442 is an apocalyptic number.

16153535442 is an abundant number, since it is smaller than the sum of its proper divisors (19136964462).

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

16153535442 is a wasteful number, since it uses less digits than its factorization.

16153535442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322394.

The product of its digits is 216000, while the sum is 39.

The spelling of 16153535442 in words is "sixteen billion, one hundred fifty-three million, five hundred thirty-five thousand, four hundred forty-two".