4198157646 has 16 divisors (see below), whose sum is σ = 8427531600. Its totient is φ = 1394183168.

The previous prime is 4198157627. The next prime is 4198157681. The reversal of 4198157646 is 6467518914.

It is a super-2 number, since 2×4198157646² = 35249055241336522632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298931 + ... + 1302158.

It is an arithmetic number, because the mean of its divisors is an integer number (526720725).

Almost surely, 2^4198157646 is an apocalyptic number.

4198157646 is an abundant number, since it is smaller than the sum of its proper divisors (4229373954).

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

4198157646 is a wasteful number, since it uses less digits than its factorization.

4198157646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601363.

The product of its digits is 1451520, while the sum is 51.

The square root of 4198157646 is about 64793.1913552651. The cubic root of 4198157646 is about 1613.1926982895.

The spelling of 4198157646 in words is "four billion, one hundred ninety-eight million, one hundred fifty-seven thousand, six hundred forty-six".