61668033 has 8 divisors (see below), whose sum is σ = 93970368. Its totient is φ = 35238864.

The previous prime is 61668031. The next prime is 61668043. The reversal of 61668033 is 33086616.

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

It is not a de Polignac number, because 61668033 - 2¹ = 61668031 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61667985 and 61668003.

It is not an unprimeable number, because it can be changed into a prime (61668031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468266 + ... + 1468307.

It is an arithmetic number, because the mean of its divisors is an integer number (11746296).

Almost surely, 2^61668033 is an apocalyptic number.

It is an amenable number.

61668033 is a deficient number, since it is larger than the sum of its proper divisors (32302335).

61668033 is a wasteful number, since it uses less digits than its factorization.

61668033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936583.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 61668033 is about 7852.8996555413. The cubic root of 61668033 is about 395.0815043050.

The spelling of 61668033 in words is "sixty-one million, six hundred sixty-eight thousand, thirty-three".