216461246510 has 32 divisors (see below), whose sum is σ = 390202790400. Its totient is φ = 86457349888.

The previous prime is 216461246501. The next prime is 216461246527. The reversal of 216461246510 is 15642164612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45103091 + ... + 45107889.

It is an arithmetic number, because the mean of its divisors is an integer number (12193837200).

Almost surely, 2^216461246510 is an apocalyptic number.

216461246510 is a deficient number, since it is larger than the sum of its proper divisors (173741543890).

216461246510 is a wasteful number, since it uses less digits than its factorization.

216461246510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10492.

The product of its (nonzero) digits is 69120, while the sum is 38.

It can be divided in two parts, 2164612 and 46510, that added together give a palindrome (2211122).

The spelling of 216461246510 in words is "two hundred sixteen billion, four hundred sixty-one million, two hundred forty-six thousand, five hundred ten".