163263263620 has 48 divisors (see below), whose sum is σ = 358687865088. Its totient is φ = 62356893440.

The previous prime is 163263263617. The next prime is 163263263629. The reversal of 163263263620 is 26362362361.

It is not an unprimeable number, because it can be changed into a prime (163263263629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079562 + ... + 2156641.

It is an arithmetic number, because the mean of its divisors is an integer number (7472663856).

Almost surely, 2^163263263620 is an apocalyptic number.

163263263620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163263263620 is an abundant number, since it is smaller than the sum of its proper divisors (195424601468).

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

163263263620 is a wasteful number, since it uses less digits than its factorization.

163263263620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236300 (or 4236298 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 40.

The spelling of 163263263620 in words is "one hundred sixty-three billion, two hundred sixty-three million, two hundred sixty-three thousand, six hundred twenty".