16478535020 has 12 divisors (see below), whose sum is σ = 34604923584. Its totient is φ = 6591414000.

The previous prime is 16478535019. The next prime is 16478535043. The reversal of 16478535020 is 2053587461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411963356 + ... + 411963395.

It is an arithmetic number, because the mean of its divisors is an integer number (2883743632).

Almost surely, 2^16478535020 is an apocalyptic number.

16478535020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16478535020 is an abundant number, since it is smaller than the sum of its proper divisors (18126388564).

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

16478535020 is a wasteful number, since it uses less digits than its factorization.

16478535020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823926760 (or 823926758 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 16478535020 in words is "sixteen billion, four hundred seventy-eight million, five hundred thirty-five thousand, twenty".