163334942040 has 32 divisors (see below), whose sum is σ = 490004826480. Its totient is φ = 43555984512.

The previous prime is 163334942009. The next prime is 163334942053. The reversal of 163334942040 is 40249433361.

It is a self number, because there is not a number n which added to its sum of digits gives 163334942040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680562139 + ... + 680562378.

Almost surely, 2^163334942040 is an apocalyptic number.

163334942040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163334942040 is an abundant number, since it is smaller than the sum of its proper divisors (326669884440).

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

163334942040 is a wasteful number, since it uses less digits than its factorization.

163334942040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361124531 (or 1361124527 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 163334942040 in words is "one hundred sixty-three billion, three hundred thirty-four million, nine hundred forty-two thousand, forty".