163440012252363 has 32 divisors (see below), whose sum is σ = 272135705897472. Its totient is φ = 84765396844800.

The previous prime is 163440012252329. The next prime is 163440012252401. The reversal of 163440012252363 is 363252210044361.

It is not a de Polignac number, because 163440012252363 - 2⁶ = 163440012252299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163440012252163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576964858 + ... + 577248063.

It is an arithmetic number, because the mean of its divisors is an integer number (8504240809296).

Almost surely, 2^{163440012252363} is an apocalyptic number.

163440012252363 is a deficient number, since it is larger than the sum of its proper divisors (108695693645109).

163440012252363 is a wasteful number, since it uses less digits than its factorization.

163440012252363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154213555.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 163440012252363 in words is "one hundred sixty-three trillion, four hundred forty billion, twelve million, two hundred fifty-two thousand, three hundred sixty-three".