16156108906 has 16 divisors (see below), whose sum is σ = 28285468416. Its totient is φ = 6776726256.

The previous prime is 16156108901. The next prime is 16156108919. The reversal of 16156108906 is 60980165161.

It is a super-2 number, since 2×16156108906² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16156108901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12276021 + ... + 12277336.

It is an arithmetic number, because the mean of its divisors is an integer number (1767841776).

Almost surely, 2^16156108906 is an apocalyptic number.

16156108906 is a deficient number, since it is larger than the sum of its proper divisors (12129359510).

16156108906 is a wasteful number, since it uses less digits than its factorization.

16156108906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24553413.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 16156108906 in words is "sixteen billion, one hundred fifty-six million, one hundred eight thousand, nine hundred six".