5425640163 has 12 divisors (see below), whose sum is σ = 7878069888. Its totient is φ = 3598154640.

The previous prime is 5425640153. The next prime is 5425640267. The reversal of 5425640163 is 3610465245.

5425640163 is a `hidden beast` number, since 5 + 4 + 2 + 5 + 640 + 1 + 6 + 3 = 666.

It is not a de Polignac number, because 5425640163 - 2⁴ = 5425640147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5425640113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1576420 + ... + 1579857.

It is an arithmetic number, because the mean of its divisors is an integer number (656505824).

Almost surely, 2^5425640163 is an apocalyptic number.

5425640163 is a deficient number, since it is larger than the sum of its proper divisors (2452429725).

5425640163 is a wasteful number, since it uses less digits than its factorization.

5425640163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156474 (or 3156471 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 5425640163 is about 73658.9448946969. The cubic root of 5425640163 is about 1757.1830111812.

The spelling of 5425640163 in words is "five billion, four hundred twenty-five million, six hundred forty thousand, one hundred sixty-three".