65164646001 has 64 divisors (see below), whose sum is σ = 108113815040. Its totient is φ = 33995427840.

The previous prime is 65164645999. The next prime is 65164646021. The reversal of 65164646001 is 10064646156.

It is a happy number.

It is not a de Polignac number, because 65164646001 - 2¹ = 65164645999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (65164646021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19667721 + ... + 19671033.

It is an arithmetic number, because the mean of its divisors is an integer number (1689278360).

Almost surely, 2^65164646001 is an apocalyptic number.

It is an amenable number.

65164646001 is a deficient number, since it is larger than the sum of its proper divisors (42949169039).

65164646001 is a wasteful number, since it uses less digits than its factorization.

65164646001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 65164646001 in words is "sixty-five billion, one hundred sixty-four million, six hundred forty-six thousand, one".