64152511466 has 4 divisors (see below), whose sum is σ = 96228767202. Its totient is φ = 32076255732.

The previous prime is 64152511463. The next prime is 64152511517. The reversal of 64152511466 is 66411525146.

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., 57914829025 + 6237682441 = 240655^2 + 78979^2 .

It is a super-2 number, since 2×64152511466² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64152511463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16038127865 + ... + 16038127868.

Almost surely, 2^64152511466 is an apocalyptic number.

64152511466 is a deficient number, since it is larger than the sum of its proper divisors (32076255736).

64152511466 is a wasteful number, since it uses less digits than its factorization.

64152511466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32076255735.

The product of its digits is 172800, while the sum is 41.

The spelling of 64152511466 in words is "sixty-four billion, one hundred fifty-two million, five hundred eleven thousand, four hundred sixty-six".