4161624544 has 48 divisors (see below), whose sum is σ = 10214902656. Its totient is φ = 1621411200.

The previous prime is 4161624479. The next prime is 4161624563. The reversal of 4161624544 is 4454261614.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842022 + ... + 846949.

It is an arithmetic number, because the mean of its divisors is an integer number (212810472).

Almost surely, 2^4161624544 is an apocalyptic number.

4161624544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4161624544 is an abundant number, since it is smaller than the sum of its proper divisors (6053278112).

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

4161624544 is a wasteful number, since it uses less digits than its factorization.

4161624544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688999 (or 1688991 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 4161624544 is about 64510.6544998576. The cubic root of 4161624544 is about 1608.4996302250.

The spelling of 4161624544 in words is "four billion, one hundred sixty-one million, six hundred twenty-four thousand, five hundred forty-four".