103667643 has 12 divisors (see below), whose sum is σ = 149837688. Its totient is φ = 69067680.

The previous prime is 103667633. The next prime is 103667651. The reversal of 103667643 is 346766301.

It is a happy number.

103667643 is a `hidden beast` number, since 1 + 0 + 3 + 6 + 6 + 7 + 643 = 666.

It is not a de Polignac number, because 103667643 - 2⁶ = 103667579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103667598 and 103667607.

It is not an unprimeable number, because it can be changed into a prime (103667633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17863 + ... + 22943.

It is an arithmetic number, because the mean of its divisors is an integer number (12486474).

Almost surely, 2^103667643 is an apocalyptic number.

103667643 is a deficient number, since it is larger than the sum of its proper divisors (46170045).

103667643 is a wasteful number, since it uses less digits than its factorization.

103667643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7351 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 103667643 is about 10181.7308449988. The cubic root of 103667643 is about 469.7654526110.

The spelling of 103667643 in words is "one hundred three million, six hundred sixty-seven thousand, six hundred forty-three".