64133066 has 4 divisors (see below), whose sum is σ = 96199602. Its totient is φ = 32066532.

The previous prime is 64133057. The next prime is 64133077. The reversal of 64133066 is 66033146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66033146 = 2 ⋅33016573.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 7958041 = 7495^2 + 2821^2 .

It is a super-2 number, since 2×64133066² = 8226100309120712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16033265 + ... + 16033268.

Almost surely, 2^64133066 is an apocalyptic number.

64133066 is a deficient number, since it is larger than the sum of its proper divisors (32066536).

64133066 is a wasteful number, since it uses less digits than its factorization.

64133066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32066535.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 64133066 is about 8008.3123065974. The cubic root of 64133066 is about 400.2770289265.

The spelling of 64133066 in words is "sixty-four million, one hundred thirty-three thousand, sixty-six".