66506611035 has 32 divisors (see below), whose sum is σ = 110098080000. Its totient is φ = 34241429376.

The previous prime is 66506611033. The next prime is 66506611063. The reversal of 66506611035 is 53011660566.

It is not a de Polignac number, because 66506611035 - 2¹ = 66506611033 is a prime.

It is a super-2 number, since 2×66506611035² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66506610984 and 66506611002.

It is not an unprimeable number, because it can be changed into a prime (66506611033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4385496 + ... + 4400634.

It is an arithmetic number, because the mean of its divisors is an integer number (3440565000).

Almost surely, 2^66506611035 is an apocalyptic number.

66506611035 is a deficient number, since it is larger than the sum of its proper divisors (43591468965).

66506611035 is a wasteful number, since it uses less digits than its factorization.

66506611035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25275.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 66506611035 in words is "sixty-six billion, five hundred six million, six hundred eleven thousand, thirty-five".