103545623666 has 8 divisors (see below), whose sum is σ = 155323595100. Its totient is φ = 51771091968.

The previous prime is 103545623659. The next prime is 103545623707. The reversal of 103545623666 is 666326545301.

It can be written as a sum of positive squares in 2 ways, for example, as 77375767225 + 26169856441 = 278165^2 + 161771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×103545623666³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103545623666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783311 + ... + 905906.

Almost surely, 2^103545623666 is an apocalyptic number.

103545623666 is a deficient number, since it is larger than the sum of its proper divisors (51777971434).

103545623666 is a wasteful number, since it uses less digits than its factorization.

103545623666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719868.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 103545623666 in words is "one hundred three billion, five hundred forty-five million, six hundred twenty-three thousand, six hundred sixty-six".