1660954417 has 8 divisors (see below), whose sum is σ = 1779847776. Its totient is φ = 1544415552.

The previous prime is 1660954397. The next prime is 1660954423. The reversal of 1660954417 is 7144590661.

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

It is a cyclic number.

It is not a de Polignac number, because 1660954417 - 2⁷ = 1660954289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1660954447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587163 + ... + 589984.

It is an arithmetic number, because the mean of its divisors is an integer number (222480972).

Almost surely, 2^1660954417 is an apocalyptic number.

1660954417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1660954417 is a deficient number, since it is larger than the sum of its proper divisors (118893359).

1660954417 is a wasteful number, since it uses less digits than its factorization.

1660954417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177247.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1660954417 is about 40754.8085138429. The cubic root of 1660954417 is about 1184.2750268945.

The spelling of 1660954417 in words is "one billion, six hundred sixty million, nine hundred fifty-four thousand, four hundred seventeen".