216465040001 has 8 divisors (see below), whose sum is σ = 247447149120. Its totient is φ = 185497563888.

The previous prime is 216465039949. The next prime is 216465040079. The reversal of 216465040001 is 100040564612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-216465040001 is a prime.

It is a super-2 number, since 2×216465040001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216465040501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3626531 + ... + 3685736.

It is an arithmetic number, because the mean of its divisors is an integer number (30930893640).

Almost surely, 2^216465040001 is an apocalyptic number.

It is an amenable number.

216465040001 is a deficient number, since it is larger than the sum of its proper divisors (30982109119).

216465040001 is an equidigital number, since it uses as much as digits as its factorization.

216465040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316503.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 216465040001 in words is "two hundred sixteen billion, four hundred sixty-five million, forty thousand, one".