66536802 has 48 divisors (see below), whose sum is σ = 151482240. Its totient is φ = 21885552.

The previous prime is 66536801. The next prime is 66536807. The reversal of 66536802 is 20863566.

It is not an unprimeable number, because it can be changed into a prime (66536801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37528 + ... + 39260.

It is an arithmetic number, because the mean of its divisors is an integer number (3155880).

Almost surely, 2^66536802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66536802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75741120).

66536802 is an abundant number, since it is smaller than the sum of its proper divisors (84945438).

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

66536802 is a wasteful number, since it uses less digits than its factorization.

66536802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1817 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 66536802 is about 8157.0093784426. The cubic root of 66536802 is about 405.2166741825.

The spelling of 66536802 in words is "sixty-six million, five hundred thirty-six thousand, eight hundred two".