64133433146 has 8 divisors (see below), whose sum is σ = 96414405300. Its totient is φ = 31995298048.

The previous prime is 64133433107. The next prime is 64133433149.

64133433146 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 60030390121 + 4103043025 = 245011^2 + 64055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64133433146² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64133433149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35708141 + ... + 35709936.

Almost surely, 2^64133433146 is an apocalyptic number.

64133433146 is a deficient number, since it is larger than the sum of its proper divisors (32280972154).

64133433146 is a wasteful number, since it uses less digits than its factorization.

64133433146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71418528.

The product of its digits is 186624, while the sum is 38.

The spelling of 64133433146 in words is "sixty-four billion, one hundred thirty-three million, four hundred thirty-three thousand, one hundred forty-six".