66461702 has 4 divisors (see below), whose sum is σ = 99692556. Its totient is φ = 33230850.

The previous prime is 66461683. The next prime is 66461719. The reversal of 66461702 is 20716466.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20716466 = 2 ⋅10358233.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16615424 + ... + 16615427.

It is an arithmetic number, because the mean of its divisors is an integer number (24923139).

Almost surely, 2^66461702 is an apocalyptic number.

66461702 is a deficient number, since it is larger than the sum of its proper divisors (33230854).

66461702 is a wasteful number, since it uses less digits than its factorization.

66461702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33230853.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 66461702 is about 8152.4046759223. The cubic root of 66461702 is about 405.0641609471.

The spelling of 66461702 in words is "sixty-six million, four hundred sixty-one thousand, seven hundred two".