16615160478 has 48 divisors (see below), whose sum is σ = 42666099840. Its totient is φ = 4747187736.

The previous prime is 16615160447. The next prime is 16615160503. The reversal of 16615160478 is 87406151661.

16615160478 is a `hidden beast` number, since 1 + 6 + 6 + 15 + 160 + 478 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2438568 + ... + 2445371.

It is an arithmetic number, because the mean of its divisors is an integer number (888877080).

Almost surely, 2^16615160478 is an apocalyptic number.

16615160478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16615160478 is an abundant number, since it is smaller than the sum of its proper divisors (26050939362).

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

16615160478 is an equidigital number, since it uses as much as digits as its factorization.

16615160478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883963 (or 4883951 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 16615160478 in words is "sixteen billion, six hundred fifteen million, one hundred sixty thousand, four hundred seventy-eight".