108146926449 has 9 divisors (see below), whose sum is σ = 156213652153. Its totient is φ = 72097293252.

The previous prime is 108146926429. The next prime is 108146926451. The reversal of 108146926449 is 944629641801.

The square root of 108146926449 is 328857.

It is a perfect power (a square), and thus also a powerful number.

108146926449 is a `hidden beast` number, since 1 + 0 + 81 + 469 + 2 + 64 + 49 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 108146926449 - 2¹⁷ = 108146795377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 108146926395 and 108146926404.

It is not an unprimeable number, because it can be changed into a prime (108146926429) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 931762 + ... + 1041380.

Almost surely, 2^108146926449 is an apocalyptic number.

108146926449 is the 328857-th square number.

108146926449 is the 164429-th centered octagonal number.

It is an amenable number.

108146926449 is a deficient number, since it is larger than the sum of its proper divisors (48066725704).

108146926449 is an frugal number, since it uses more digits than its factorization.

108146926449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219244 (or 109622 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 108146926449 in words is "one hundred eight billion, one hundred forty-six million, nine hundred twenty-six thousand, four hundred forty-nine".