163452546420 has 96 divisors (see below), whose sum is σ = 460673068800. Its totient is φ = 43301744640.

The previous prime is 163452546409. The next prime is 163452546431. The reversal of 163452546420 is 24645254361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (163452546409) and next prime (163452546431).

It is a congruent number.

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, 8025450 + ... + 8045790.

It is an arithmetic number, because the mean of its divisors is an integer number (4798677800).

Almost surely, 2^163452546420 is an apocalyptic number.

163452546420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163452546420 is an abundant number, since it is smaller than the sum of its proper divisors (297220522380).

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

163452546420 is a wasteful number, since it uses less digits than its factorization.

163452546420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21225 (or 21223 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 163452546420 in words is "one hundred sixty-three billion, four hundred fifty-two million, five hundred forty-six thousand, four hundred twenty".