163440160633240 has 32 divisors (see below), whose sum is σ = 367808626316880. Its totient is φ = 65363928272512.

The previous prime is 163440160633219. The next prime is 163440160633283. The reversal of 163440160633240 is 42336061044361.

It is a super-2 number, since 2×163440160633240² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379031227 + ... + 379462186.

Almost surely, 2^{163440160633240} is an apocalyptic number.

163440160633240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163440160633240 is an abundant number, since it is smaller than the sum of its proper divisors (204368465683640).

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

163440160633240 is a wasteful number, since it uses less digits than its factorization.

163440160633240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758498811 (or 758498807 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 163440160633240 in words is "one hundred sixty-three trillion, four hundred forty billion, one hundred sixty million, six hundred thirty-three thousand, two hundred forty".