66343802 has 16 divisors (see below), whose sum is σ = 115431360. Its totient is φ = 28008288.

The previous prime is 66343777. The next prime is 66343807. The reversal of 66343802 is 20834366.

It is not an unprimeable number, because it can be changed into a prime (66343807) 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, 34427 + ... + 36302.

It is an arithmetic number, because the mean of its divisors is an integer number (7214460).

Almost surely, 2^66343802 is an apocalyptic number.

66343802 is a deficient number, since it is larger than the sum of its proper divisors (49087558).

66343802 is a wasteful number, since it uses less digits than its factorization.

66343802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70805.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 66343802 is about 8145.1704708987. The cubic root of 66343802 is about 404.8244974486.

The spelling of 66343802 in words is "sixty-six million, three hundred forty-three thousand, eight hundred two".