61018150 has 12 divisors (see below), whose sum is σ = 113493852. Its totient is φ = 24407240.

The previous prime is 61018147. The next prime is 61018159. The reversal of 61018150 is 5181016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61018159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610132 + ... + 610231.

It is an arithmetic number, because the mean of its divisors is an integer number (9457821).

Almost surely, 2^61018150 is an apocalyptic number.

61018150 is a deficient number, since it is larger than the sum of its proper divisors (52475702).

61018150 is a wasteful number, since it uses less digits than its factorization.

61018150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220375 (or 1220370 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 61018150 is about 7811.4115241741. The cubic root of 61018150 is about 393.6887567468.

Adding to 61018150 its reverse (5181016), we get a palindrome (66199166).

The spelling of 61018150 in words is "sixty-one million, eighteen thousand, one hundred fifty".