61650150 has 24 divisors (see below), whose sum is σ = 152892744. Its totient is φ = 16440000.

The previous prime is 61650139. The next prime is 61650151. The reversal of 61650150 is 5105616.

It is a self number, because there is not a number n which added to its sum of digits gives 61650150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61650151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205351 + ... + 205650.

It is an arithmetic number, because the mean of its divisors is an integer number (6370531).

Almost surely, 2^61650150 is an apocalyptic number.

61650150 is an abundant number, since it is smaller than the sum of its proper divisors (91242594).

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

61650150 is a wasteful number, since it uses less digits than its factorization.

61650150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411016 (or 411011 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 61650150 is about 7851.7609489846. The cubic root of 61650150 is about 395.0433109588.

Adding to 61650150 its reverse (5105616), we get a palindrome (66755766).

The spelling of 61650150 in words is "sixty-one million, six hundred fifty thousand, one hundred fifty".