64687029118 has 8 divisors (see below), whose sum is σ = 97937371512. Its totient is φ = 32041238616.

The previous prime is 64687029109. The next prime is 64687029241. The reversal of 64687029118 is 81192078646.

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

It is a super-2 number, since 2×64687029118² (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, 151137705 + ... + 151138132.

It is an arithmetic number, because the mean of its divisors is an integer number (12242171439).

Almost surely, 2^64687029118 is an apocalyptic number.

64687029118 is a deficient number, since it is larger than the sum of its proper divisors (33250342394).

64687029118 is a wasteful number, since it uses less digits than its factorization.

64687029118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302275946.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 64687029118 in words is "sixty-four billion, six hundred eighty-seven million, twenty-nine thousand, one hundred eighteen".