161160159630 has 128 divisors (see below), whose sum is σ = 427503173760. Its totient is φ = 38709411840.

The previous prime is 161160159619. The next prime is 161160159661. The reversal of 161160159630 is 36951061161.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1081066 + ... + 1221074.

It is an arithmetic number, because the mean of its divisors is an integer number (3339868545).

Almost surely, 2^161160159630 is an apocalyptic number.

161160159630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 161160159630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213751586880).

161160159630 is an abundant number, since it is smaller than the sum of its proper divisors (266343014130).

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

161160159630 is a wasteful number, since it uses less digits than its factorization.

161160159630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140134.

The product of its (nonzero) digits is 29160, while the sum is 39.

The spelling of 161160159630 in words is "one hundred sixty-one billion, one hundred sixty million, one hundred fifty-nine thousand, six hundred thirty".