163763745 has 32 divisors (see below), whose sum is σ = 271669248. Its totient is φ = 84182208.

The previous prime is 163763729. The next prime is 163763753. The reversal of 163763745 is 547367361.

It is a happy number.

It is not a de Polignac number, because 163763745 - 2⁴ = 163763729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163763697 and 163763706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45502 + ... + 48968.

It is an arithmetic number, because the mean of its divisors is an integer number (8489664).

Almost surely, 2^163763745 is an apocalyptic number.

163763745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163763745 is a deficient number, since it is larger than the sum of its proper divisors (107905503).

163763745 is a wasteful number, since it uses less digits than its factorization.

163763745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589.

The product of its digits is 317520, while the sum is 42.

The square root of 163763745 is about 12797.0209423912. The cubic root of 163763745 is about 547.1073976953.

The spelling of 163763745 in words is "one hundred sixty-three million, seven hundred sixty-three thousand, seven hundred forty-five".