65055100501666 has 32 divisors (see below), whose sum is σ = 109889107623936. Its totient is φ = 28616271138000.

The previous prime is 65055100501637. The next prime is 65055100501667. The reversal of 65055100501666 is 66610500155056.

It is a super-2 number, since 2×65055100501666² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65055100501667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61490431 + ... + 62539453.

It is an arithmetic number, because the mean of its divisors is an integer number (3434034613248).

Almost surely, 2^{65055100501666} is an apocalyptic number.

65055100501666 is a deficient number, since it is larger than the sum of its proper divisors (44834007122270).

65055100501666 is a wasteful number, since it uses less digits than its factorization.

65055100501666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139998.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 65055100501666 in words is "sixty-five trillion, fifty-five billion, one hundred million, five hundred one thousand, six hundred sixty-six".