103766661433 has 4 divisors (see below), whose sum is σ = 103767524388. Its totient is φ = 103765798480.

The previous prime is 103766661413. The next prime is 103766661451. The reversal of 103766661433 is 334166667301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 334166667301 = 859 ⋅389018239.

It can be written as a sum of positive squares in 2 ways, for example, as 43816118329 + 59950543104 = 209323^2 + 244848^2 .

It is a cyclic number.

It is not a de Polignac number, because 103766661433 - 2¹³ = 103766653241 is a prime.

It is a super-2 number, since 2×103766661433² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103766661413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214858 + ... + 503683.

It is an arithmetic number, because the mean of its divisors is an integer number (25941881097).

Almost surely, 2^103766661433 is an apocalyptic number.

It is an amenable number.

103766661433 is a deficient number, since it is larger than the sum of its proper divisors (862955).

103766661433 is an equidigital number, since it uses as much as digits as its factorization.

103766661433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862954.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 103766661433 in words is "one hundred three billion, seven hundred sixty-six million, six hundred sixty-one thousand, four hundred thirty-three".