16433256316220 has 24 divisors (see below), whose sum is σ = 35312392644144. Its totient is φ = 6420435025536.

The previous prime is 16433256316171. The next prime is 16433256316231. The reversal of 16433256316220 is 2261365233461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9554217929 + ... + 9554219648.

It is an arithmetic number, because the mean of its divisors is an integer number (1471349693506).

Almost surely, 2^{16433256316220} is an apocalyptic number.

16433256316220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16433256316220 is an abundant number, since it is smaller than the sum of its proper divisors (18879136327924).

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

16433256316220 is a wasteful number, since it uses less digits than its factorization.

16433256316220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19108437629 (or 19108437627 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 16433256316220 in words is "sixteen trillion, four hundred thirty-three billion, two hundred fifty-six million, three hundred sixteen thousand, two hundred twenty".