66465035 has 16 divisors (see below), whose sum is σ = 98164416. Its totient is φ = 42069888.

The previous prime is 66465029. The next prime is 66465037. The reversal of 66465035 is 53056466.

It is a de Polignac number, because none of the positive numbers 2^k-66465035 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 66464986 and 66465004.

It is not an unprimeable number, because it can be changed into a prime (66465037) 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, 72584 + ... + 73493.

It is an arithmetic number, because the mean of its divisors is an integer number (6135276).

Almost surely, 2^66465035 is an apocalyptic number.

66465035 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

66465035 is a deficient number, since it is larger than the sum of its proper divisors (31699381).

66465035 is a wasteful number, since it uses less digits than its factorization.

66465035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146102.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 66465035 is about 8152.6090915731. The cubic root of 66465035 is about 405.0709320460.

The spelling of 66465035 in words is "sixty-six million, four hundred sixty-five thousand, thirty-five".