1662017241 has 8 divisors (see below), whose sum is σ = 2221142560. Its totient is φ = 1105451712.

The previous prime is 1662017183. The next prime is 1662017263. The reversal of 1662017241 is 1427102661.

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

It is not a de Polignac number, because 1662017241 - 2⁶ = 1662017177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1662017199 and 1662017208.

It is not an unprimeable number, because it can be changed into a prime (1662017141) 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, 638431 + ... + 641028.

It is an arithmetic number, because the mean of its divisors is an integer number (277642820).

Almost surely, 2^1662017241 is an apocalyptic number.

It is an amenable number.

1662017241 is a deficient number, since it is larger than the sum of its proper divisors (559125319).

1662017241 is a wasteful number, since it uses less digits than its factorization.

1662017241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279895.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1662017241 is about 40767.8456752377. The cubic root of 1662017241 is about 1184.5275739709.

The spelling of 1662017241 in words is "one billion, six hundred sixty-two million, seventeen thousand, two hundred forty-one".