1663353147 has 4 divisors (see below), whose sum is σ = 2217804200. Its totient is φ = 1108902096.

The previous prime is 1663353103. The next prime is 1663353191. The reversal of 1663353147 is 7413533661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7413533661 = 3 ⋅2471177887.

It is an interprime number because it is at equal distance from previous prime (1663353103) and next prime (1663353191).

It is not a de Polignac number, because 1663353147 - 2¹⁹ = 1662828859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1663153147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277225522 + ... + 277225527.

It is an arithmetic number, because the mean of its divisors is an integer number (554451050).

Almost surely, 2^1663353147 is an apocalyptic number.

1663353147 is a deficient number, since it is larger than the sum of its proper divisors (554451053).

1663353147 is an equidigital number, since it uses as much as digits as its factorization.

1663353147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554451052.

The product of its digits is 136080, while the sum is 39.

The square root of 1663353147 is about 40784.2266936619. The cubic root of 1663353147 is about 1184.8448578250.

The spelling of 1663353147 in words is "one billion, six hundred sixty-three million, three hundred fifty-three thousand, one hundred forty-seven".