216451436041 has 8 divisors (see below), whose sum is σ = 223720124544. Its totient is φ = 209293720080.

The previous prime is 216451436029. The next prime is 216451436077. The reversal of 216451436041 is 140634154612.

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

It is a cyclic number.

It is not a de Polignac number, because 216451436041 - 2⁷ = 216451435913 is a prime.

It is a super-2 number, since 2×216451436041² (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 (216451436011) 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, 27739170 + ... + 27746971.

It is an arithmetic number, because the mean of its divisors is an integer number (27965015568).

Almost surely, 2^216451436041 is an apocalyptic number.

It is an amenable number.

216451436041 is a deficient number, since it is larger than the sum of its proper divisors (7268688503).

216451436041 is an equidigital number, since it uses as much as digits as its factorization.

216451436041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55486271.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 216451436041 in words is "two hundred sixteen billion, four hundred fifty-one million, four hundred thirty-six thousand, forty-one".