215114246466 has 16 divisors (see below), whose sum is σ = 491689706304. Its totient is φ = 61461213264.

The previous prime is 215114246453. The next prime is 215114246489. The reversal of 215114246466 is 664642411512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5121767773 = 215114246466 / (2 + 1 + 5 + 1 + 1 + 4 + 2 + 4 + 6 + 4 + 6 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2560883845 + ... + 2560883928.

It is an arithmetic number, because the mean of its divisors is an integer number (30730606644).

Almost surely, 2^215114246466 is an apocalyptic number.

215114246466 is an abundant number, since it is smaller than the sum of its proper divisors (276575459838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215114246466 is a wasteful number, since it uses less digits than its factorization.

215114246466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121767785.

The product of its digits is 276480, while the sum is 42.

Adding to 215114246466 its reverse (664642411512), we get a palindrome (879756657978).

The spelling of 215114246466 in words is "two hundred fifteen billion, one hundred fourteen million, two hundred forty-six thousand, four hundred sixty-six".