1103566641 has 8 divisors (see below), whose sum is σ = 1472417664. Its totient is φ = 735213360.

The previous prime is 1103566637. The next prime is 1103566643. The reversal of 1103566641 is 1466653011.

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

It is not a de Polignac number, because 1103566641 - 2² = 1103566637 is a prime.

It is a super-2 number, since 2×1103566641² = 2435718662256045762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103566643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119230 + ... + 128151.

It is an arithmetic number, because the mean of its divisors is an integer number (184052208).

Almost surely, 2^1103566641 is an apocalyptic number.

It is an amenable number.

1103566641 is a deficient number, since it is larger than the sum of its proper divisors (368851023).

1103566641 is a wasteful number, since it uses less digits than its factorization.

1103566641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248871.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1103566641 is about 33219.9735249744. The cubic root of 1103566641 is about 1033.3946004488.

The spelling of 1103566641 in words is "one billion, one hundred three million, five hundred sixty-six thousand, six hundred forty-one".