16471928947890 has 32 divisors (see below), whose sum is σ = 42573600974016. Its totient is φ = 4054628664000.

The previous prime is 16471928947889. The next prime is 16471928947891. The reversal of 16471928947890 is 9874982917461.

It is an interprime number because it is at equal distance from previous prime (16471928947889) and next prime (16471928947891).

It is not an unprimeable number, because it can be changed into a prime (16471928947891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21117857236 + ... + 21117858015.

It is an arithmetic number, because the mean of its divisors is an integer number (1330425030438).

Almost surely, 2^{16471928947890} is an apocalyptic number.

16471928947890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16471928947890 is an abundant number, since it is smaller than the sum of its proper divisors (26101672026126).

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

16471928947890 is a wasteful number, since it uses less digits than its factorization.

16471928947890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42235715274.

The product of its (nonzero) digits is 438939648, while the sum is 75.

The spelling of 16471928947890 in words is "sixteen trillion, four hundred seventy-one billion, nine hundred twenty-eight million, nine hundred forty-seven thousand, eight hundred ninety".