6161124540 has 96 divisors (see below), whose sum is σ = 18022717440. Its totient is φ = 1569655296.

The previous prime is 6161124469. The next prime is 6161124551. The reversal of 6161124540 is 454211616.

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

It is a junction number, because it is equal to n+sod(n) for n = 6161124498 and 6161124507.

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, 1431672 + ... + 1435968.

It is an arithmetic number, because the mean of its divisors is an integer number (187736640).

Almost surely, 2^6161124540 is an apocalyptic number.

6161124540 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 6161124540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9011358720).

6161124540 is an abundant number, since it is smaller than the sum of its proper divisors (11861592900).

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

6161124540 is a wasteful number, since it uses less digits than its factorization.

6161124540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 6161124540 is about 78492.8311376268. The cubic root of 6161124540 is about 1833.2428332921.

The spelling of 6161124540 in words is "six billion, one hundred sixty-one million, one hundred twenty-four thousand, five hundred forty".