1117666461 has 16 divisors (see below), whose sum is σ = 1517883008. Its totient is φ = 731332800.

The previous prime is 1117666453. The next prime is 1117666499. The reversal of 1117666461 is 1646667111.

1117666461 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1117666461 - 2³ = 1117666453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117666861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82851 + ... + 95391.

It is an arithmetic number, because the mean of its divisors is an integer number (94867688).

Almost surely, 2^1117666461 is an apocalyptic number.

It is an amenable number.

1117666461 is a deficient number, since it is larger than the sum of its proper divisors (400216547).

1117666461 is a wasteful number, since it uses less digits than its factorization.

1117666461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13092.

The product of its digits is 36288, while the sum is 39.

The square root of 1117666461 is about 33431.5189753622. The cubic root of 1117666461 is about 1037.7770755788. Note that the first 3 decimals are identical.

The spelling of 1117666461 in words is "one billion, one hundred seventeen million, six hundred sixty-six thousand, four hundred sixty-one".