16155238671 has 40 divisors (see below), whose sum is σ = 28352234064. Its totient is φ = 9037889280.

The previous prime is 16155238633. The next prime is 16155238711. The reversal of 16155238671 is 17683255161.

16155238671 is a `hidden beast` number, since 1 + 6 + 1 + 552 + 38 + 67 + 1 = 666.

It is not a de Polignac number, because 16155238671 - 2⁷ = 16155238543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16155238171) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 685786 + ... + 708951.

Almost surely, 2^16155238671 is an apocalyptic number.

16155238671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16155238671 is a deficient number, since it is larger than the sum of its proper divisors (12196995393).

16155238671 is a wasteful number, since it uses less digits than its factorization.

16155238671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394773 (or 1394764 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 16155238671 in words is "sixteen billion, one hundred fifty-five million, two hundred thirty-eight thousand, six hundred seventy-one".