16661124444342 has 32 divisors (see below), whose sum is σ = 38082880899072. Its totient is φ = 4760282427264.

The previous prime is 16661124444281. The next prime is 16661124444359. The reversal of 16661124444342 is 24344442116661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16661124444291 and 16661124444300.

It is a congruent number.

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, 3803838 + ... + 6913134.

It is an arithmetic number, because the mean of its divisors is an integer number (1190090028096).

Almost surely, 2^{16661124444342} is an apocalyptic number.

16661124444342 is an abundant number, since it is smaller than the sum of its proper divisors (21421756454730).

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

16661124444342 is a wasteful number, since it uses less digits than its factorization.

16661124444342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236892.

The product of its digits is 2654208, while the sum is 48.

The spelling of 16661124444342 in words is "sixteen trillion, six hundred sixty-one billion, one hundred twenty-four million, four hundred forty-four thousand, three hundred forty-two".