4163120631 has 10 divisors (see below), whose sum is σ = 6218982792. Its totient is φ = 2775413700.

The previous prime is 4163120629. The next prime is 4163120659. The reversal of 4163120631 is 1360213614.

4163120631 is a `hidden beast` number, since 4 + 1 + 6 + 3 + 1 + 20 + 631 = 666.

It is not a de Polignac number, because 4163120631 - 2¹ = 4163120629 is a prime.

It is a super-2 number, since 2×4163120631² = 34663146776515676322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4163120595 and 4163120604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4163120831) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25698195 + ... + 25698356.

Almost surely, 2^4163120631 is an apocalyptic number.

4163120631 is a deficient number, since it is larger than the sum of its proper divisors (2055862161).

4163120631 is an equidigital number, since it uses as much as digits as its factorization.

4163120631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51396563 (or 51396554 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4163120631 is about 64522.2491160995. The cubic root of 4163120631 is about 1608.6923568112.

The spelling of 4163120631 in words is "four billion, one hundred sixty-three million, one hundred twenty thousand, six hundred thirty-one".