2458161946 has 24 divisors (see below), whose sum is σ = 3815593920. Its totient is φ = 1187534712.

The previous prime is 2458161943. The next prime is 2458161949. The reversal of 2458161946 is 6491618542.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2458161943) and next prime (2458161949).

It is a junction number, because it is equal to n+sod(n) for n = 2458161896 and 2458161905.

It is not an unprimeable number, because it can be changed into a prime (2458161941) 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, 345501 + ... + 352543.

It is an arithmetic number, because the mean of its divisors is an integer number (158983080).

Almost surely, 2^2458161946 is an apocalyptic number.

2458161946 is a deficient number, since it is larger than the sum of its proper divisors (1357431974).

2458161946 is an equidigital number, since it uses as much as digits as its factorization.

2458161946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7218 (or 7171 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 2458161946 is about 49579.8542353646. The cubic root of 2458161946 is about 1349.5951133309.

The spelling of 2458161946 in words is "two billion, four hundred fifty-eight million, one hundred sixty-one thousand, nine hundred forty-six".