109936166461 has 4 divisors (see below), whose sum is σ = 119930363424. Its totient is φ = 99941969500.

The previous prime is 109936166449. The next prime is 109936166489. The reversal of 109936166461 is 164661639901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164661639901 = 11 ⋅14969239991.

It is a cyclic number.

It is not a de Polignac number, because 109936166461 - 2¹¹ = 109936164413 is a prime.

It is a super-2 number, since 2×109936166461² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109936166399 and 109936166408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109936166411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4997098465 + ... + 4997098486.

It is an arithmetic number, because the mean of its divisors is an integer number (29982590856).

Almost surely, 2^109936166461 is an apocalyptic number.

109936166461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109936166461 is a deficient number, since it is larger than the sum of its proper divisors (9994196963).

109936166461 is an equidigital number, since it uses as much as digits as its factorization.

109936166461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994196962.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 109936166461 in words is "one hundred nine billion, nine hundred thirty-six million, one hundred sixty-six thousand, four hundred sixty-one".