66651062 has 4 divisors (see below), whose sum is σ = 99976596. Its totient is φ = 33325530.

The previous prime is 66651047. The next prime is 66651071. The reversal of 66651062 is 26015666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26015666 = 2 ⋅13007833.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16662764 + ... + 16662767.

It is an arithmetic number, because the mean of its divisors is an integer number (24994149).

Almost surely, 2^66651062 is an apocalyptic number.

66651062 is a deficient number, since it is larger than the sum of its proper divisors (33325534).

66651062 is a wasteful number, since it uses less digits than its factorization.

66651062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33325533.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 66651062 is about 8164.0101665787. The cubic root of 66651062 is about 405.4484936579.

The spelling of 66651062 in words is "sixty-six million, six hundred fifty-one thousand, sixty-two".