64116693118 has 8 divisors (see below), whose sum is σ = 96196807080. Its totient is φ = 32051090760.

The previous prime is 64116693101. The next prime is 64116693149. The reversal of 64116693118 is 81139661146.

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

It is a super-2 number, since 2×64116693118² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616848 + ... + 3634531.

It is an arithmetic number, because the mean of its divisors is an integer number (12024600885).

Almost surely, 2^64116693118 is an apocalyptic number.

64116693118 is a deficient number, since it is larger than the sum of its proper divisors (32080113962).

64116693118 is a wasteful number, since it uses less digits than its factorization.

64116693118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255802.

The product of its digits is 186624, while the sum is 46.

The spelling of 64116693118 in words is "sixty-four billion, one hundred sixteen million, six hundred ninety-three thousand, one hundred eighteen".