66661034 has 8 divisors (see below), whose sum is σ = 109081728. Its totient is φ = 30300460.

The previous prime is 66661009. The next prime is 66661043. The reversal of 66661034 is 43016666.

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

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, 1515002 + ... + 1515045.

It is an arithmetic number, because the mean of its divisors is an integer number (13635216).

Almost surely, 2^66661034 is an apocalyptic number.

66661034 is a deficient number, since it is larger than the sum of its proper divisors (42420694).

66661034 is a wasteful number, since it uses less digits than its factorization.

66661034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030060.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 66661034 is about 8164.6208730106. The cubic root of 66661034 is about 405.4687130444.

The spelling of 66661034 in words is "sixty-six million, six hundred sixty-one thousand, thirty-four".