61601150 has 24 divisors (see below), whose sum is σ = 123393144. Its totient is φ = 22744800.

The previous prime is 61601093. The next prime is 61601179. The reversal of 61601150 is 5110616.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46736 + ... + 48035.

It is an arithmetic number, because the mean of its divisors is an integer number (5141381).

Almost surely, 2^61601150 is an apocalyptic number.

61601150 is an abundant number, since it is smaller than the sum of its proper divisors (61791994).

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

61601150 is a wasteful number, since it uses less digits than its factorization.

61601150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94796 (or 94791 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 61601150 is about 7848.6400095813. The cubic root of 61601150 is about 394.9386220927.

Adding to 61601150 its reverse (5110616), we get a palindrome (66711766).

The spelling of 61601150 in words is "sixty-one million, six hundred one thousand, one hundred fifty".