64216261246 has 8 divisors (see below), whose sum is σ = 96329464560. Its totient is φ = 32106439728.

The previous prime is 64216261223. The next prime is 64216261247.

It is a happy number.

64216261246 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 64216261199 and 64216261208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64216261247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797431 + ... + 874258.

It is an arithmetic number, because the mean of its divisors is an integer number (12041183070).

Almost surely, 2^64216261246 is an apocalyptic number.

64216261246 is a deficient number, since it is larger than the sum of its proper divisors (32113203314).

64216261246 is a wasteful number, since it uses less digits than its factorization.

64216261246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690898.

The product of its digits is 165888, while the sum is 40.

The spelling of 64216261246 in words is "sixty-four billion, two hundred sixteen million, two hundred sixty-one thousand, two hundred forty-six".