6181849916 has 24 divisors (see below), whose sum is σ = 11805548160. Its totient is φ = 2809018800.

The previous prime is 6181849901. The next prime is 6181849943. The reversal of 6181849916 is 6199481816.

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, 124871 + ... + 167201.

It is an arithmetic number, because the mean of its divisors is an integer number (491897840).

Almost surely, 2^6181849916 is an apocalyptic number.

It is an amenable number.

6181849916 is a deficient number, since it is larger than the sum of its proper divisors (5623698244).

6181849916 is a wasteful number, since it uses less digits than its factorization.

6181849916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45665 (or 45663 counting only the distinct ones).

The product of its digits is 746496, while the sum is 53.

The square root of 6181849916 is about 78624.7411188107. The cubic root of 6181849916 is about 1835.2961447657.

The spelling of 6181849916 in words is "six billion, one hundred eighty-one million, eight hundred forty-nine thousand, nine hundred sixteen".