61350198 has 32 divisors (see below), whose sum is σ = 151017216. Its totient is φ = 16180128.

The previous prime is 61350169. The next prime is 61350239. The reversal of 61350198 is 89105316.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55636 + ... + 56727.

It is an arithmetic number, because the mean of its divisors is an integer number (4719288).

Almost surely, 2^61350198 is an apocalyptic number.

61350198 is an abundant number, since it is smaller than the sum of its proper divisors (89667018).

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

61350198 is a wasteful number, since it uses less digits than its factorization.

61350198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112388.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 61350198 is about 7832.6367207984. The cubic root of 61350198 is about 394.4015892136.

The spelling of 61350198 in words is "sixty-one million, three hundred fifty thousand, one hundred ninety-eight".