16478535072 has 48 divisors (see below), whose sum is σ = 43638981120. Its totient is φ = 5444232192.

The previous prime is 16478535071. The next prime is 16478535077. The reversal of 16478535072 is 27053587461.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (16478535071) 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, 748672 + ... + 770367.

It is an arithmetic number, because the mean of its divisors is an integer number (909145440).

Almost surely, 2^16478535072 is an apocalyptic number.

16478535072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16478535072 is an abundant number, since it is smaller than the sum of its proper divisors (27160446048).

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

16478535072 is a wasteful number, since it uses less digits than its factorization.

16478535072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519165 (or 1519157 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 16478535072 in words is "sixteen billion, four hundred seventy-eight million, five hundred thirty-five thousand, seventy-two".