20161077 has 8 divisors (see below), whose sum is σ = 26950080. Its totient is φ = 13406400.

The previous prime is 20161027. The next prime is 20161079. The reversal of 20161077 is 77016102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20161077 - 2⁶ = 20161013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7177 + ... + 9582.

It is an arithmetic number, because the mean of its divisors is an integer number (3368760).

Almost surely, 2^20161077 is an apocalyptic number.

It is an amenable number.

20161077 is a deficient number, since it is larger than the sum of its proper divisors (6789003).

20161077 is a wasteful number, since it uses less digits than its factorization.

20161077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17163.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 20161077 is about 4490.1087960093. The cubic root of 20161077 is about 272.1685311174.

Adding to 20161077 its reverse (77016102), we get a palindrome (97177179).

The spelling of 20161077 in words is "twenty million, one hundred sixty-one thousand, seventy-seven".