1634116503 has 4 divisors (see below), whose sum is σ = 2178822008. Its totient is φ = 1089411000.

The previous prime is 1634116481. The next prime is 1634116531. The reversal of 1634116503 is 3056114361.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1634116503 - 2⁸ = 1634116247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634116553) 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, 272352748 + ... + 272352753.

It is an arithmetic number, because the mean of its divisors is an integer number (544705502).

Almost surely, 2^1634116503 is an apocalyptic number.

1634116503 is a deficient number, since it is larger than the sum of its proper divisors (544705505).

1634116503 is an equidigital number, since it uses as much as digits as its factorization.

1634116503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544705504.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1634116503 is about 40424.2068938897. The cubic root of 1634116503 is about 1177.8618041547.

The spelling of 1634116503 in words is "one billion, six hundred thirty-four million, one hundred sixteen thousand, five hundred three".