61996150 has 12 divisors (see below), whose sum is σ = 115312932. Its totient is φ = 24798440.

The previous prime is 61996147. The next prime is 61996157. The reversal of 61996150 is 5169916.

It is a super-2 number, since 2×61996150² = 7687045229645000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61996157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619912 + ... + 620011.

It is an arithmetic number, because the mean of its divisors is an integer number (9609411).

Almost surely, 2^61996150 is an apocalyptic number.

61996150 is a deficient number, since it is larger than the sum of its proper divisors (53316782).

61996150 is a wasteful number, since it uses less digits than its factorization.

61996150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239935 (or 1239930 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 61996150 is about 7873.7633949719. The cubic root of 61996150 is about 395.7809683884.

It can be divided in two parts, 619 and 96150, that added together give a palindrome (96769).

The spelling of 61996150 in words is "sixty-one million, nine hundred ninety-six thousand, one hundred fifty".