1663136241 has 16 divisors (see below), whose sum is σ = 2443632576. Its totient is φ = 999665856.

The previous prime is 1663136239. The next prime is 1663136263. The reversal of 1663136241 is 1426313661.

It is not a de Polignac number, because 1663136241 - 2¹ = 1663136239 is a prime.

It is a super-2 number, since 2×1663136241² = 5532044312255220162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1663136441) 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, 494190 + ... + 497543.

It is an arithmetic number, because the mean of its divisors is an integer number (152727036).

Almost surely, 2^1663136241 is an apocalyptic number.

It is an amenable number.

1663136241 is a deficient number, since it is larger than the sum of its proper divisors (780496335).

1663136241 is a wasteful number, since it uses less digits than its factorization.

1663136241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991792.

The product of its digits is 15552, while the sum is 33.

The square root of 1663136241 is about 40781.5674171555. The cubic root of 1663136241 is about 1184.7933532019.

The spelling of 1663136241 in words is "one billion, six hundred sixty-three million, one hundred thirty-six thousand, two hundred forty-one".