64133165087 has 4 divisors (see below), whose sum is σ = 66201976896. Its totient is φ = 62064353280.

The previous prime is 64133165059. The next prime is 64133165111. The reversal of 64133165087 is 78056133146.

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

It is a cyclic number.

It is not a de Polignac number, because 64133165087 - 2¹² = 64133160991 is a prime.

It is a super-2 number, since 2×64133165087² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64133165027) 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, 1034405858 + ... + 1034405919.

It is an arithmetic number, because the mean of its divisors is an integer number (16550494224).

Almost surely, 2^64133165087 is an apocalyptic number.

64133165087 is a deficient number, since it is larger than the sum of its proper divisors (2068811809).

64133165087 is a wasteful number, since it uses less digits than its factorization.

64133165087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068811808.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 64133165087 in words is "sixty-four billion, one hundred thirty-three million, one hundred sixty-five thousand, eighty-seven".