163797480 has 384 divisors, whose sum is σ = 700876800. Its totient is φ = 32140800.

The previous prime is 163797479. The next prime is 163797493. The reversal of 163797480 is 84797361.

163797480 is a `hidden beast` number, since 1 + 637 + 9 + 7 + 4 + 8 + 0 = 666.

163797480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163797480² = 53659228908700800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 526525 + ... + 526835.

It is an arithmetic number, because the mean of its divisors is an integer number (1825200).

Almost surely, 2^163797480 is an apocalyptic number.

163797480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163797480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350438400).

163797480 is an abundant number, since it is smaller than the sum of its proper divisors (537079320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163797480 is a wasteful number, since it uses less digits than its factorization.

163797480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 163797480 is about 12798.3389547238. The cubic root of 163797480 is about 547.1449627881.

The spelling of 163797480 in words is "one hundred sixty-three million, seven hundred ninety-seven thousand, four hundred eighty".