161050688 has 56 divisors (see below), whose sum is σ = 348081600. Its totient is φ = 73640448.

The previous prime is 161050657. The next prime is 161050691. The reversal of 161050688 is 886050161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32981 + ... + 37547.

Almost surely, 2^161050688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161050688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174040800).

161050688 is an abundant number, since it is smaller than the sum of its proper divisors (187030912).

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

161050688 is a wasteful number, since it uses less digits than its factorization.

161050688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 161050688 is about 12690.5747702773. The cubic root of 161050688 is about 544.0692674197.

The spelling of 161050688 in words is "one hundred sixty-one million, fifty thousand, six hundred eighty-eight".