16838261475 has 96 divisors (see below), whose sum is σ = 34271330304. Its totient is φ = 7125148800.

The previous prime is 16838261353. The next prime is 16838261497. The reversal of 16838261475 is 57416283861.

It is not a de Polignac number, because 16838261475 - 2⁷ = 16838261347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 351834 + ... + 396816.

It is an arithmetic number, because the mean of its divisors is an integer number (356993024).

Almost surely, 2^16838261475 is an apocalyptic number.

16838261475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16838261475 is an abundant number, since it is smaller than the sum of its proper divisors (17433068829).

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

16838261475 is a wasteful number, since it uses less digits than its factorization.

16838261475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45057 (or 45052 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 16838261475 in words is "sixteen billion, eight hundred thirty-eight million, two hundred sixty-one thousand, four hundred seventy-five".