65166274 has 4 divisors (see below), whose sum is σ = 97749414. Its totient is φ = 32583136.

The previous prime is 65166229. The next prime is 65166281. The reversal of 65166274 is 47266156.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60171049 + 4995225 = 7757^2 + 2235^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16291567 + ... + 16291570.

Almost surely, 2^65166274 is an apocalyptic number.

65166274 is a deficient number, since it is larger than the sum of its proper divisors (32583140).

65166274 is a wasteful number, since it uses less digits than its factorization.

65166274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32583139.

The product of its digits is 60480, while the sum is 37.

The square root of 65166274 is about 8072.5630378462. The cubic root of 65166274 is about 402.4151260672.

The spelling of 65166274 in words is "sixty-five million, one hundred sixty-six thousand, two hundred seventy-four".