61660346 has 8 divisors (see below), whose sum is σ = 100898784. Its totient is φ = 28027420.

The previous prime is 61660331. The next prime is 61660363. The reversal of 61660346 is 64306616.

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

It is a Curzon 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, 1401350 + ... + 1401393.

It is an arithmetic number, because the mean of its divisors is an integer number (12612348).

Almost surely, 2^61660346 is an apocalyptic number.

61660346 is a deficient number, since it is larger than the sum of its proper divisors (39238438).

61660346 is a wasteful number, since it uses less digits than its factorization.

61660346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802756.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 61660346 is about 7852.4102032433. The cubic root of 61660346 is about 395.0650878162.

The spelling of 61660346 in words is "sixty-one million, six hundred sixty thousand, three hundred forty-six".