108020664450810 has 80 divisors (see below), whose sum is σ = 305742699424800. Its totient is φ = 27289431015264.

The previous prime is 108020664450779. The next prime is 108020664450827. The reversal of 108020664450810 is 18054466020801.

It is a happy number.

108020664450810 is a `hidden beast` number, since 1 + 0 + 80 + 2 + 0 + 6 + 64 + 4 + 508 + 1 + 0 = 666.

It is a super-2 number, since 2×108020664450810² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3509427900 + ... + 3509458679.

It is an arithmetic number, because the mean of its divisors is an integer number (3821783742810).

Almost surely, 2^{108020664450810} is an apocalyptic number.

108020664450810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108020664450810 is an abundant number, since it is smaller than the sum of its proper divisors (197722034973990).

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

108020664450810 is a wasteful number, since it uses less digits than its factorization.

108020664450810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018886617 (or 7018886608 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 108020664450810 in words is "one hundred eight trillion, twenty billion, six hundred sixty-four million, four hundred fifty thousand, eight hundred ten".