216461607607 has 8 divisors (see below), whose sum is σ = 247742709632. Its totient is φ = 185270009400.

The previous prime is 216461607559. The next prime is 216461607611. The reversal of 216461607607 is 706706164612.

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

It is not a de Polignac number, because 216461607607 - 2²³ = 216453218999 is a prime.

It is a super-3 number, since 3×216461607607³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216461607707) 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, 22370769 + ... + 22380442.

It is an arithmetic number, because the mean of its divisors is an integer number (30967838704).

Almost surely, 2^216461607607 is an apocalyptic number.

216461607607 is a deficient number, since it is larger than the sum of its proper divisors (31281102025).

216461607607 is an equidigital number, since it uses as much as digits as its factorization.

216461607607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44751909.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 216461607607 in words is "two hundred sixteen billion, four hundred sixty-one million, six hundred seven thousand, six hundred seven".