65064561111660 has 48 divisors (see below), whose sum is σ = 198742659397632. Its totient is φ = 15773226936000.

The previous prime is 65064561111659. The next prime is 65064561111677. The reversal of 65064561111660 is 6611116546056.

It is a super-2 number, since 2×65064561111660² (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 15 ways as a sum of consecutive naturals, for example, 49291333516 + ... + 49291334835.

It is an arithmetic number, because the mean of its divisors is an integer number (4140472070784).

Almost surely, 2^{65064561111660} is an apocalyptic number.

65064561111660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65064561111660 is an abundant number, since it is smaller than the sum of its proper divisors (133678098285972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65064561111660 is a wasteful number, since it uses less digits than its factorization.

65064561111660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98582668374 (or 98582668372 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 65064561111660 in words is "sixty-five trillion, sixty-four billion, five hundred sixty-one million, one hundred eleven thousand, six hundred sixty".