66923122 has 24 divisors (see below), whose sum is σ = 117144576. Its totient is φ = 28590408.

The previous prime is 66923119. The next prime is 66923167. The reversal of 66923122 is 22132966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36643 + ... + 38425.

It is an arithmetic number, because the mean of its divisors is an integer number (4881024).

Almost surely, 2^66923122 is an apocalyptic number.

66923122 is a deficient number, since it is larger than the sum of its proper divisors (50221454).

66923122 is a wasteful number, since it uses less digits than its factorization.

66923122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182 (or 2175 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 66923122 is about 8180.6553527208. The cubic root of 66923122 is about 405.9994054688. Note that the first 3 decimals are identical.

The spelling of 66923122 in words is "sixty-six million, nine hundred twenty-three thousand, one hundred twenty-two".