65156966 has 32 divisors (see below), whose sum is σ = 120000000. Its totient is φ = 26449416.

The previous prime is 65156929. The next prime is 65156977. The reversal of 65156966 is 66965156.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10535 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (3750000).

Almost surely, 2^65156966 is an apocalyptic number.

65156966 is a deficient number, since it is larger than the sum of its proper divisors (54843034).

65156966 is a wasteful number, since it uses less digits than its factorization.

65156966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5027 counting only the distinct ones).

The product of its digits is 291600, while the sum is 44.

The square root of 65156966 is about 8071.9864965199. The cubic root of 65156966 is about 402.3959655510.

The spelling of 65156966 in words is "sixty-five million, one hundred fifty-six thousand, nine hundred sixty-six".