163245450252 has 48 divisors (see below), whose sum is σ = 394998985472. Its totient is φ = 52430431680.

The previous prime is 163245450239. The next prime is 163245450259. The reversal of 163245450252 is 252054542361.

It is a self number, because there is not a number n which added to its sum of digits gives 163245450252.

It is not an unprimeable number, because it can be changed into a prime (163245450259) 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, 1739074 + ... + 1830537.

Almost surely, 2^163245450252 is an apocalyptic number.

163245450252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163245450252 is an abundant number, since it is smaller than the sum of its proper divisors (231753535220).

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

163245450252 is a wasteful number, since it uses less digits than its factorization.

163245450252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569758 (or 3569756 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 163245450252 in words is "one hundred sixty-three billion, two hundred forty-five million, four hundred fifty thousand, two hundred fifty-two".