20161605050 has 24 divisors (see below), whose sum is σ = 37507349376. Its totient is φ = 8063187440.

The previous prime is 20161605047. The next prime is 20161605077. The reversal of 20161605050 is 5050616102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269009 + ... + 335691.

It is an arithmetic number, because the mean of its divisors is an integer number (1562806224).

Almost surely, 2^20161605050 is an apocalyptic number.

20161605050 is a deficient number, since it is larger than the sum of its proper divisors (17345744326).

20161605050 is a wasteful number, since it uses less digits than its factorization.

20161605050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72742 (or 72737 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 20161605050 in words is "twenty billion, one hundred sixty-one million, six hundred five thousand, fifty".