64133201667 has 16 divisors (see below), whose sum is σ = 88314209280. Its totient is φ = 41355232800.

The previous prime is 64133201651. The next prime is 64133201669. The reversal of 64133201667 is 76610233146.

It is not a de Polignac number, because 64133201667 - 2⁴ = 64133201651 is a prime.

It is a super-2 number, since 2×64133201667² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64133201669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9817 + ... + 358277.

It is an arithmetic number, because the mean of its divisors is an integer number (5519638080).

Almost surely, 2^64133201667 is an apocalyptic number.

64133201667 is a deficient number, since it is larger than the sum of its proper divisors (24181007613).

64133201667 is a wasteful number, since it uses less digits than its factorization.

64133201667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350474.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 64133201667 in words is "sixty-four billion, one hundred thirty-three million, two hundred one thousand, six hundred sixty-seven".