428161167 has 48 divisors (see below), whose sum is σ = 781319520. Its totient is φ = 230259456.

The previous prime is 428161163. The next prime is 428161177. The reversal of 428161167 is 761161824.

It is a happy number.

It is not a de Polignac number, because 428161167 - 2² = 428161163 is a prime.

It is a super-3 number, since 3×428161167³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428161163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12973 + ... + 32009.

It is an arithmetic number, because the mean of its divisors is an integer number (16277490).

Almost surely, 2^428161167 is an apocalyptic number.

428161167 is a deficient number, since it is larger than the sum of its proper divisors (353158353).

428161167 is a wasteful number, since it uses less digits than its factorization.

428161167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19077 (or 19064 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 428161167 is about 20692.0556494516. The cubic root of 428161167 is about 753.7067854732.

The spelling of 428161167 in words is "four hundred twenty-eight million, one hundred sixty-one thousand, one hundred sixty-seven".