66511082 has 16 divisors (see below), whose sum is σ = 109197504. Its totient is φ = 30132000.

The previous prime is 66511079. The next prime is 66511087. The reversal of 66511082 is 28011566.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66511087) 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, 1982 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (6824844).

Almost surely, 2^66511082 is an apocalyptic number.

66511082 is a deficient number, since it is larger than the sum of its proper divisors (42686422).

66511082 is a wasteful number, since it uses less digits than its factorization.

66511082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 66511082 is about 8155.4326678601. The cubic root of 66511082 is about 405.1644548806.

The spelling of 66511082 in words is "sixty-six million, five hundred eleven thousand, eighty-two".