163450505150040 has 32 divisors (see below), whose sum is σ = 490351515450480. Its totient is φ = 43586801373312.

The previous prime is 163450505149961. The next prime is 163450505150047. The reversal of 163450505150040 is 40051505054361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163450505150047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681043771339 + ... + 681043771578.

Almost surely, 2^{163450505150040} is an apocalyptic number.

163450505150040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163450505150040 is an abundant number, since it is smaller than the sum of its proper divisors (326901010300440).

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

163450505150040 is a wasteful number, since it uses less digits than its factorization.

163450505150040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362087542931 (or 1362087542927 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 163450505150040 in words is "one hundred sixty-three trillion, four hundred fifty billion, five hundred five million, one hundred fifty thousand, forty".