20161061470 has 128 divisors (see below), whose sum is σ = 42018020352. Its totient is φ = 6893568000.

The previous prime is 20161061467. The next prime is 20161061477. The reversal of 20161061470 is 7416016102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161061477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65671057 + ... + 65671363.

It is an arithmetic number, because the mean of its divisors is an integer number (328265784).

Almost surely, 2^20161061470 is an apocalyptic number.

20161061470 is an abundant number, since it is smaller than the sum of its proper divisors (21856958882).

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

20161061470 is a wasteful number, since it uses less digits than its factorization.

20161061470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 20161061470 its reverse (7416016102), we get a palindrome (27577077572).

The spelling of 20161061470 in words is "twenty billion, one hundred sixty-one million, sixty-one thousand, four hundred seventy".