16405322142 has 32 divisors (see below), whose sum is σ = 35844591744. Its totient is φ = 4964204000.

The previous prime is 16405322119. The next prime is 16405322147. The reversal of 16405322142 is 24122350461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16405322147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131028 + ... + 223559.

It is an arithmetic number, because the mean of its divisors is an integer number (1120143492).

Almost surely, 2^16405322142 is an apocalyptic number.

16405322142 is an abundant number, since it is smaller than the sum of its proper divisors (19439269602).

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

16405322142 is a wasteful number, since it uses less digits than its factorization.

16405322142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355304.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 16405322142 in words is "sixteen billion, four hundred five million, three hundred twenty-two thousand, one hundred forty-two".