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66665334 = 2311110889
BaseRepresentation
bin1111111001001…
…1101101110110
311122102221122110
43332103231312
5114031242314
610340511450
71436434401
oct376235566
9148387573
1066665334
11346a371a
121a3ab586
1310a71a58
148bd4d38
155cbca59
hex3f93b76

66665334 has 8 divisors (see below), whose sum is σ = 133330680. Its totient is φ = 22221776.

The previous prime is 66665329. The next prime is 66665341. The reversal of 66665334 is 43356666.

It is a happy number.

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

66665334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 66665292 and 66665301.

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, 5555439 + ... + 5555450.

It is an arithmetic number, because the mean of its divisors is an integer number (16666335).

Almost surely, 266665334 is an apocalyptic number.

66665334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66665334 is a wasteful number, since it uses less digits than its factorization.

66665334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110894.

The product of its digits is 233280, while the sum is 39.

The square root of 66665334 is about 8164.8842000362. The cubic root of 66665334 is about 405.4774311709.

The spelling of 66665334 in words is "sixty-six million, six hundred sixty-five thousand, three hundred thirty-four".

Divisors: 1 2 3 6 11110889 22221778 33332667 66665334