65116515664442 has 8 divisors (see below), whose sum is σ = 106554298360032. Its totient is φ = 29598416211100.

The previous prime is 65116515664423. The next prime is 65116515664451. The reversal of 65116515664442 is 24446651561156.

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

It is a super-2 number, since 2×65116515664442² (a number of 28 digits) contains 22 as substring.

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, 1479920810534 + ... + 1479920810577.

It is an arithmetic number, because the mean of its divisors is an integer number (13319287295004).

Almost surely, 2^{65116515664442} is an apocalyptic number.

65116515664442 is a deficient number, since it is larger than the sum of its proper divisors (41437782695590).

65116515664442 is a wasteful number, since it uses less digits than its factorization.

65116515664442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959841621124.

The product of its digits is 20736000, while the sum is 56.

The spelling of 65116515664442 in words is "sixty-five trillion, one hundred sixteen billion, five hundred fifteen million, six hundred sixty-four thousand, four hundred forty-two".