163770496 has 16 divisors (see below), whose sum is σ = 326261790. Its totient is φ = 81885184.

The previous prime is 163770493. The next prime is 163770521. The reversal of 163770496 is 694077361.

It can be written as a sum of positive squares in only one way, i.e., 148840000 + 14930496 = 12200^2 + 3864^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (163770493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639601 + ... + 639856.

Almost surely, 2^163770496 is an apocalyptic number.

163770496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163770496 is a deficient number, since it is larger than the sum of its proper divisors (162491294).

163770496 is an equidigital number, since it uses as much as digits as its factorization.

163770496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279471 (or 1279459 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 163770496 is about 12797.2847120004. The cubic root of 163770496 is about 547.1149155809.

The spelling of 163770496 in words is "one hundred sixty-three million, seven hundred seventy thousand, four hundred ninety-six".