216045366404515 has 8 divisors (see below), whose sum is σ = 259311885854688. Its totient is φ = 172797995677440.

The previous prime is 216045366404501. The next prime is 216045366404519. The reversal of 216045366404515 is 515404663540612.

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-216045366404515 is a prime.

It is a super-2 number, since 2×216045366404515² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216045366404519) 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, 4787155951 + ... + 4787201080.

It is an arithmetic number, because the mean of its divisors is an integer number (32413985731836).

Almost surely, 2^{216045366404515} is an apocalyptic number.

216045366404515 is a deficient number, since it is larger than the sum of its proper divisors (43266519450173).

216045366404515 is an equidigital number, since it uses as much as digits as its factorization.

216045366404515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574361549.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 216045366404515 in words is "two hundred sixteen trillion, forty-five billion, three hundred sixty-six million, four hundred four thousand, five hundred fifteen".