6181501080 has 128 divisors (see below), whose sum is σ = 18727096320. Its totient is φ = 1632261120.

The previous prime is 6181501069. The next prime is 6181501103. The reversal of 6181501080 is 801051816.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6485884 + ... + 6486836.

It is an arithmetic number, because the mean of its divisors is an integer number (146305440).

Almost surely, 2^6181501080 is an apocalyptic number.

6181501080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6181501080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9363548160).

6181501080 is an abundant number, since it is smaller than the sum of its proper divisors (12545595240).

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

6181501080 is a wasteful number, since it uses less digits than its factorization.

6181501080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 6181501080 is about 78622.5227272694. The cubic root of 6181501080 is about 1835.2616227689.

Adding to 6181501080 its reverse (801051816), we get a palindrome (6982552896).

The spelling of 6181501080 in words is "six billion, one hundred eighty-one million, five hundred one thousand, eighty".