16155407442 has 16 divisors (see below), whose sum is σ = 32313869280. Its totient is φ = 5384626752.

The previous prime is 16155407441. The next prime is 16155407447. The reversal of 16155407442 is 24470455161.

It is a self number, because there is not a number n which added to its sum of digits gives 16155407442.

It is not an unprimeable number, because it can be changed into a prime (16155407441) 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, 55383 + ... + 188090.

It is an arithmetic number, because the mean of its divisors is an integer number (2019616830).

Almost surely, 2^16155407442 is an apocalyptic number.

16155407442 is an abundant number, since it is smaller than the sum of its proper divisors (16158461838).

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

16155407442 is a wasteful number, since it uses less digits than its factorization.

16155407442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254537.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 16155407442 in words is "sixteen billion, one hundred fifty-five million, four hundred seven thousand, four hundred forty-two".