61841966 has 4 divisors (see below), whose sum is σ = 92762952. Its totient is φ = 30920982.

The previous prime is 61841959. The next prime is 61841999. The reversal of 61841966 is 66914816.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15460490 + ... + 15460493.

It is an arithmetic number, because the mean of its divisors is an integer number (23190738).

Almost surely, 2^61841966 is an apocalyptic number.

61841966 is a deficient number, since it is larger than the sum of its proper divisors (30920986).

61841966 is a wasteful number, since it uses less digits than its factorization.

61841966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30920985.

The product of its digits is 62208, while the sum is 41.

The square root of 61841966 is about 7863.9663020641. The cubic root of 61841966 is about 395.4525944983.

The spelling of 61841966 in words is "sixty-one million, eight hundred forty-one thousand, nine hundred sixty-six".