16271337078 has 64 divisors (see below), whose sum is σ = 38259283200. Its totient is φ = 5111631360.

The previous prime is 16271337077. The next prime is 16271337101. The reversal of 16271337078 is 87073317261.

16271337078 is a `hidden beast` number, since 1 + 6 + 271 + 3 + 370 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16271337077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156933 + ... + 239103.

It is an arithmetic number, because the mean of its divisors is an integer number (597801300).

Almost surely, 2^16271337078 is an apocalyptic number.

16271337078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16271337078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19129641600).

16271337078 is an abundant number, since it is smaller than the sum of its proper divisors (21987946122).

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

16271337078 is a wasteful number, since it uses less digits than its factorization.

16271337078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82394 (or 82388 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 16271337078 in words is "sixteen billion, two hundred seventy-one million, three hundred thirty-seven thousand, seventy-eight".