20163416345 has 8 divisors (see below), whose sum is σ = 24200181000. Its totient is φ = 16128012160.

The previous prime is 20163416291. The next prime is 20163416381. The reversal of 20163416345 is 54361436102.

It can be written as a sum of positive squares in 4 ways, for example, as 2393459929 + 17769956416 = 48923^2 + 133304^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-20163416345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307220 + ... + 367029.

It is an arithmetic number, because the mean of its divisors is an integer number (3025022625).

Almost surely, 2^20163416345 is an apocalyptic number.

It is an amenable number.

20163416345 is a deficient number, since it is larger than the sum of its proper divisors (4036764655).

20163416345 is an equidigital number, since it uses as much as digits as its factorization.

20163416345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680235.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 20163416345 in words is "twenty billion, one hundred sixty-three million, four hundred sixteen thousand, three hundred forty-five".