4154661625 has 16 divisors (see below), whose sum is σ = 5262416640. Its totient is φ = 3274114800.

The previous prime is 4154661601. The next prime is 4154661647. The reversal of 4154661625 is 5261664514.

It is not a de Polignac number, because 4154661625 - 2⁵ = 4154661593 is a prime.

It is a super-2 number, since 2×4154661625² = 34522426436495281250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239665 + ... + 256414.

It is an arithmetic number, because the mean of its divisors is an integer number (328901040).

Almost surely, 2^4154661625 is an apocalyptic number.

It is an amenable number.

4154661625 is a deficient number, since it is larger than the sum of its proper divisors (1107755015).

4154661625 is an equidigital number, since it uses as much as digits as its factorization.

4154661625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496161 (or 496151 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 4154661625 is about 64456.6647058316. The cubic root of 4154661625 is about 1607.6020556855.

The spelling of 4154661625 in words is "four billion, one hundred fifty-four million, six hundred sixty-one thousand, six hundred twenty-five".