61330198 has 8 divisors (see below), whose sum is σ = 92092392. Its totient is φ = 30632736.

The previous prime is 61330177. The next prime is 61330229. The reversal of 61330198 is 89103316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×61330198² = 7522786373438408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13740 + ... + 17647.

It is an arithmetic number, because the mean of its divisors is an integer number (11511549).

Almost surely, 2^61330198 is an apocalyptic number.

61330198 is a deficient number, since it is larger than the sum of its proper divisors (30762194).

61330198 is a wasteful number, since it uses less digits than its factorization.

61330198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32366.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 61330198 is about 7831.3599074490. The cubic root of 61330198 is about 394.3587266021.

The spelling of 61330198 in words is "sixty-one million, three hundred thirty thousand, one hundred ninety-eight".