1428813168 has 20 divisors (see below), whose sum is σ = 3691100808. Its totient is φ = 476271040.

The previous prime is 1428813163. The next prime is 1428813173. The reversal of 1428813168 is 8613188241.

It is an interprime number because it is at equal distance from previous prime (1428813163) and next prime (1428813173).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428813163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14883423 + ... + 14883518.

Almost surely, 2^1428813168 is an apocalyptic number.

It is an amenable number.

1428813168 is an abundant number, since it is smaller than the sum of its proper divisors (2262287640).

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

1428813168 is a wasteful number, since it uses less digits than its factorization.

1428813168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29766952 (or 29766946 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 1428813168 is about 37799.6450776988. The cubic root of 1428813168 is about 1126.3114038484.

The spelling of 1428813168 in words is "one billion, four hundred twenty-eight million, eight hundred thirteen thousand, one hundred sixty-eight".