161023630463160 has 64 divisors (see below), whose sum is σ = 488891022641280. Its totient is φ = 42422289790080.

The previous prime is 161023630463119. The next prime is 161023630463177. The reversal of 161023630463160 is 61364036320161.

It is a super-2 number, since 2×161023630463160² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8083505626 + ... + 8083525545.

It is an arithmetic number, because the mean of its divisors is an integer number (7638922228770).

Almost surely, 2^{161023630463160} is an apocalyptic number.

161023630463160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161023630463160 is an abundant number, since it is smaller than the sum of its proper divisors (327867392178120).

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

161023630463160 is a wasteful number, since it uses less digits than its factorization.

161023630463160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16167031268 (or 16167031264 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 161023630463160 in words is "one hundred sixty-one trillion, twenty-three billion, six hundred thirty million, four hundred sixty-three thousand, one hundred sixty".