1663950153 has 8 divisors (see below), whose sum is σ = 2223725728. Its totient is φ = 1106737344.

The previous prime is 1663950149. The next prime is 1663950163. The reversal of 1663950153 is 3510593661.

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

It is not a de Polignac number, because 1663950153 - 2² = 1663950149 is a prime.

It is a super-2 number, since 2×1663950153² = 5537460223337446818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1663950103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639175 + ... + 641772.

It is an arithmetic number, because the mean of its divisors is an integer number (277965716).

Almost surely, 2^1663950153 is an apocalyptic number.

It is an amenable number.

1663950153 is a deficient number, since it is larger than the sum of its proper divisors (559775575).

1663950153 is a wasteful number, since it uses less digits than its factorization.

1663950153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281383.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 1663950153 is about 40791.5451166047. The cubic root of 1663950153 is about 1184.9865945892.

The spelling of 1663950153 in words is "one billion, six hundred sixty-three million, nine hundred fifty thousand, one hundred fifty-three".